SlideShare a Scribd company logo
1 of 5
SKILLS ACQUIRED RESPONSES
1. Can factor numerical
expressions easily
2. Can divide polynomials
3. Can apply the quotient
rule for exponents
4. Can add and subtract
polynomials
5. Can work with special
products
6. Can multiply polynomials
IRF WORKSHEETS
Complete the table by filling first the initial column of the
chart. This activity will determine how much you know
about this topic and your progress. Express the following
as a product of factors.
INITIAL REVISE FINAL
1. 4x2 – 12x
2. 9m2 – 16n2
3. 4a2 + 12a + 9
4. 2x2 + 9x – 5
5. 27x3 – 8y3
6. a3 + 125b3
7. xm + hm – xn -
hn
MESSAGE FROM THE KING
1. 4x(3x – 5)
2. 3xy2(2x + y – 1)
3. (x+y)(x-y)
4. (2x + 3)(2x – 3)
5. (x – 5y)(x + 5y)
6. (x + y)2
7. (2x + 3)2
8. (x – 5y)2
9. (x + 4)(x – 3)
10. (2x – 1)(3x + 2)
11. (x+2)(2x – 5)
12. (x – 3)(x2 + 3x+9)
13. (x+3)(x2 – 3x + 9)
14. (a+b)(c-d)
15. (m-n)(r+s)
16. (3x + 4)(3x – 4)
17. (3x – 4)2
A. 6x2y2+3xy3-3xy2
F. x3 – 27
G. 4x2 – 9
R. 4x2 + 12x + 9
U. 12x2 – 20x
E. 6x2 + x – 2
T. ac – ad + bc – bd
S. mr – nr + ms – ns
C. x2 – y2
I. 2x2 – x – 10
O. x2 – 10xy + 25y2
N. x2 + x – 12
H. x3 + 27
M. x2 + 2xy + y2
L. x2 – 25y2
P.9x2 – 16
V. 9x2 – 24x + 16
12 2 3 14 491178 1511 101314
101571017107 128
96 811142311516111451
QUESTIONS
1. What are your observations on the
expressions in column A? Compare them
with those in column B.
2. Do you see any pattern?
3. Are the two groups of expressions related?
4. Why is it important to know the reverse
process of multiplication?

More Related Content

What's hot

Tenth class-state syllabus-model paper-em-ts-maths
Tenth class-state syllabus-model paper-em-ts-mathsTenth class-state syllabus-model paper-em-ts-maths
Tenth class-state syllabus-model paper-em-ts-mathsNaukriTuts
 
36252644 teknik-menjawab-percubaan-pmr-melaka-2010
36252644 teknik-menjawab-percubaan-pmr-melaka-201036252644 teknik-menjawab-percubaan-pmr-melaka-2010
36252644 teknik-menjawab-percubaan-pmr-melaka-2010nadarajan04
 
Math school-books-3rd-preparatory-2nd-term-khawagah-2019
Math school-books-3rd-preparatory-2nd-term-khawagah-2019Math school-books-3rd-preparatory-2nd-term-khawagah-2019
Math school-books-3rd-preparatory-2nd-term-khawagah-2019khawagah
 
Tenth class-state syllabus-model paper-em-ap-mathematics
Tenth class-state syllabus-model paper-em-ap-mathematicsTenth class-state syllabus-model paper-em-ap-mathematics
Tenth class-state syllabus-model paper-em-ap-mathematicsNaukriTuts
 
Module 3 linear functions
Module 3   linear functionsModule 3   linear functions
Module 3 linear functionsdionesioable
 
Koleksi soalan matematik spm
Koleksi soalan matematik spmKoleksi soalan matematik spm
Koleksi soalan matematik spmruhanaahmad
 
Mathematics Mid Year Form 2 Paper 2 2010
Mathematics Mid Year Form 2 Paper 2 2010Mathematics Mid Year Form 2 Paper 2 2010
Mathematics Mid Year Form 2 Paper 2 2010sue sha
 
Mid Year Form 1 Paper 1 2010 Mathematics
Mid Year Form 1 Paper 1 2010 MathematicsMid Year Form 1 Paper 1 2010 Mathematics
Mid Year Form 1 Paper 1 2010 Mathematicssue sha
 
nature of the roots and discriminant
nature of the roots and discriminantnature of the roots and discriminant
nature of the roots and discriminantmaricel mas
 

What's hot (14)

Tenth class-state syllabus-model paper-em-ts-maths
Tenth class-state syllabus-model paper-em-ts-mathsTenth class-state syllabus-model paper-em-ts-maths
Tenth class-state syllabus-model paper-em-ts-maths
 
36252644 teknik-menjawab-percubaan-pmr-melaka-2010
36252644 teknik-menjawab-percubaan-pmr-melaka-201036252644 teknik-menjawab-percubaan-pmr-melaka-2010
36252644 teknik-menjawab-percubaan-pmr-melaka-2010
 
Maths f4 up1
Maths f4 up1Maths f4 up1
Maths f4 up1
 
Math school-books-3rd-preparatory-2nd-term-khawagah-2019
Math school-books-3rd-preparatory-2nd-term-khawagah-2019Math school-books-3rd-preparatory-2nd-term-khawagah-2019
Math school-books-3rd-preparatory-2nd-term-khawagah-2019
 
Tenth class-state syllabus-model paper-em-ap-mathematics
Tenth class-state syllabus-model paper-em-ap-mathematicsTenth class-state syllabus-model paper-em-ap-mathematics
Tenth class-state syllabus-model paper-em-ap-mathematics
 
Mathematics 9
Mathematics 9Mathematics 9
Mathematics 9
 
3rd.prep first term .math
3rd.prep first term .math3rd.prep first term .math
3rd.prep first term .math
 
Class 6 Mathematics
Class 6 MathematicsClass 6 Mathematics
Class 6 Mathematics
 
Module 3 linear functions
Module 3   linear functionsModule 3   linear functions
Module 3 linear functions
 
Koleksi soalan matematik spm
Koleksi soalan matematik spmKoleksi soalan matematik spm
Koleksi soalan matematik spm
 
Mathematics Mid Year Form 2 Paper 2 2010
Mathematics Mid Year Form 2 Paper 2 2010Mathematics Mid Year Form 2 Paper 2 2010
Mathematics Mid Year Form 2 Paper 2 2010
 
Mid Year Form 1 Paper 1 2010 Mathematics
Mid Year Form 1 Paper 1 2010 MathematicsMid Year Form 1 Paper 1 2010 Mathematics
Mid Year Form 1 Paper 1 2010 Mathematics
 
Qb maths
Qb mathsQb maths
Qb maths
 
nature of the roots and discriminant
nature of the roots and discriminantnature of the roots and discriminant
nature of the roots and discriminant
 

Similar to Factor and multiply polynomials

A2 Chapter 5 Study Guide
A2 Chapter 5 Study GuideA2 Chapter 5 Study Guide
A2 Chapter 5 Study Guidevhiggins1
 
1.2 algebraic expressions t
1.2 algebraic expressions t1.2 algebraic expressions t
1.2 algebraic expressions tmath260
 
Factoring Perfect Square Trinomial
Factoring Perfect Square TrinomialFactoring Perfect Square Trinomial
Factoring Perfect Square TrinomialDhenz Lorenzo
 
Factoring Perfect Square Trinomial
Factoring Perfect Square TrinomialFactoring Perfect Square Trinomial
Factoring Perfect Square TrinomialMajesty Ortiz
 
1.2 algebraic expressions t
1.2 algebraic expressions t1.2 algebraic expressions t
1.2 algebraic expressions tmath260
 
Math AB Chapter 8 Polynomials
Math AB Chapter 8 PolynomialsMath AB Chapter 8 Polynomials
Math AB Chapter 8 Polynomialsmcarls
 
Mathematics 9 Quadratic Functions (Module 1)
Mathematics 9 Quadratic Functions (Module 1)Mathematics 9 Quadratic Functions (Module 1)
Mathematics 9 Quadratic Functions (Module 1)Juan Miguel Palero
 
Sim (Linear Function)
Sim (Linear Function)Sim (Linear Function)
Sim (Linear Function)May Bundang
 
Assignment of class 12 (chapters 2 to 9)
Assignment of class 12 (chapters 2 to 9)Assignment of class 12 (chapters 2 to 9)
Assignment of class 12 (chapters 2 to 9)KarunaGupta1982
 
15.3---Graphs-of-Quad-Functions.pptx
15.3---Graphs-of-Quad-Functions.pptx15.3---Graphs-of-Quad-Functions.pptx
15.3---Graphs-of-Quad-Functions.pptxDheerajYadav670006
 
Module 1 quadratic functions
Module 1   quadratic functionsModule 1   quadratic functions
Module 1 quadratic functionsdionesioable
 
Algebra Revision.ppt
Algebra Revision.pptAlgebra Revision.ppt
Algebra Revision.pptAaronChi5
 
7 2 adding and subtracting polynomials
7 2 adding and subtracting polynomials7 2 adding and subtracting polynomials
7 2 adding and subtracting polynomialshisema01
 
sim-140907230908-phpapp01.pptx
sim-140907230908-phpapp01.pptxsim-140907230908-phpapp01.pptx
sim-140907230908-phpapp01.pptxJeffreyEnriquez10
 
1.7 sign charts of factorable formulas t
1.7 sign charts of factorable formulas t1.7 sign charts of factorable formulas t
1.7 sign charts of factorable formulas tmath260
 
1.0 factoring trinomials the ac method and making lists-t
1.0 factoring trinomials  the ac method and making lists-t1.0 factoring trinomials  the ac method and making lists-t
1.0 factoring trinomials the ac method and making lists-tmath260tutor
 
1.0 factoring trinomials the ac method and making lists-t
1.0 factoring trinomials  the ac method and making lists-t1.0 factoring trinomials  the ac method and making lists-t
1.0 factoring trinomials the ac method and making lists-tmath260
 
College algebra Assignment
College algebra AssignmentCollege algebra Assignment
College algebra AssignmentDenni Domingo
 
Factoring quadratic-trinomials-of-the-form-ax2-
Factoring quadratic-trinomials-of-the-form-ax2-Factoring quadratic-trinomials-of-the-form-ax2-
Factoring quadratic-trinomials-of-the-form-ax2-AnnalizaTenioso
 
Algebra review
Algebra reviewAlgebra review
Algebra reviewMsKendall
 

Similar to Factor and multiply polynomials (20)

A2 Chapter 5 Study Guide
A2 Chapter 5 Study GuideA2 Chapter 5 Study Guide
A2 Chapter 5 Study Guide
 
1.2 algebraic expressions t
1.2 algebraic expressions t1.2 algebraic expressions t
1.2 algebraic expressions t
 
Factoring Perfect Square Trinomial
Factoring Perfect Square TrinomialFactoring Perfect Square Trinomial
Factoring Perfect Square Trinomial
 
Factoring Perfect Square Trinomial
Factoring Perfect Square TrinomialFactoring Perfect Square Trinomial
Factoring Perfect Square Trinomial
 
1.2 algebraic expressions t
1.2 algebraic expressions t1.2 algebraic expressions t
1.2 algebraic expressions t
 
Math AB Chapter 8 Polynomials
Math AB Chapter 8 PolynomialsMath AB Chapter 8 Polynomials
Math AB Chapter 8 Polynomials
 
Mathematics 9 Quadratic Functions (Module 1)
Mathematics 9 Quadratic Functions (Module 1)Mathematics 9 Quadratic Functions (Module 1)
Mathematics 9 Quadratic Functions (Module 1)
 
Sim (Linear Function)
Sim (Linear Function)Sim (Linear Function)
Sim (Linear Function)
 
Assignment of class 12 (chapters 2 to 9)
Assignment of class 12 (chapters 2 to 9)Assignment of class 12 (chapters 2 to 9)
Assignment of class 12 (chapters 2 to 9)
 
15.3---Graphs-of-Quad-Functions.pptx
15.3---Graphs-of-Quad-Functions.pptx15.3---Graphs-of-Quad-Functions.pptx
15.3---Graphs-of-Quad-Functions.pptx
 
Module 1 quadratic functions
Module 1   quadratic functionsModule 1   quadratic functions
Module 1 quadratic functions
 
Algebra Revision.ppt
Algebra Revision.pptAlgebra Revision.ppt
Algebra Revision.ppt
 
7 2 adding and subtracting polynomials
7 2 adding and subtracting polynomials7 2 adding and subtracting polynomials
7 2 adding and subtracting polynomials
 
sim-140907230908-phpapp01.pptx
sim-140907230908-phpapp01.pptxsim-140907230908-phpapp01.pptx
sim-140907230908-phpapp01.pptx
 
1.7 sign charts of factorable formulas t
1.7 sign charts of factorable formulas t1.7 sign charts of factorable formulas t
1.7 sign charts of factorable formulas t
 
1.0 factoring trinomials the ac method and making lists-t
1.0 factoring trinomials  the ac method and making lists-t1.0 factoring trinomials  the ac method and making lists-t
1.0 factoring trinomials the ac method and making lists-t
 
1.0 factoring trinomials the ac method and making lists-t
1.0 factoring trinomials  the ac method and making lists-t1.0 factoring trinomials  the ac method and making lists-t
1.0 factoring trinomials the ac method and making lists-t
 
College algebra Assignment
College algebra AssignmentCollege algebra Assignment
College algebra Assignment
 
Factoring quadratic-trinomials-of-the-form-ax2-
Factoring quadratic-trinomials-of-the-form-ax2-Factoring quadratic-trinomials-of-the-form-ax2-
Factoring quadratic-trinomials-of-the-form-ax2-
 
Algebra review
Algebra reviewAlgebra review
Algebra review
 

Recently uploaded

SQL Database Design For Developers at php[tek] 2024
SQL Database Design For Developers at php[tek] 2024SQL Database Design For Developers at php[tek] 2024
SQL Database Design For Developers at php[tek] 2024Scott Keck-Warren
 
Nell’iperspazio con Rocket: il Framework Web di Rust!
Nell’iperspazio con Rocket: il Framework Web di Rust!Nell’iperspazio con Rocket: il Framework Web di Rust!
Nell’iperspazio con Rocket: il Framework Web di Rust!Commit University
 
Pigging Solutions Piggable Sweeping Elbows
Pigging Solutions Piggable Sweeping ElbowsPigging Solutions Piggable Sweeping Elbows
Pigging Solutions Piggable Sweeping ElbowsPigging Solutions
 
New from BookNet Canada for 2024: BNC BiblioShare - Tech Forum 2024
New from BookNet Canada for 2024: BNC BiblioShare - Tech Forum 2024New from BookNet Canada for 2024: BNC BiblioShare - Tech Forum 2024
New from BookNet Canada for 2024: BNC BiblioShare - Tech Forum 2024BookNet Canada
 
Build your next Gen AI Breakthrough - April 2024
Build your next Gen AI Breakthrough - April 2024Build your next Gen AI Breakthrough - April 2024
Build your next Gen AI Breakthrough - April 2024Neo4j
 
Are Multi-Cloud and Serverless Good or Bad?
Are Multi-Cloud and Serverless Good or Bad?Are Multi-Cloud and Serverless Good or Bad?
Are Multi-Cloud and Serverless Good or Bad?Mattias Andersson
 
Unblocking The Main Thread Solving ANRs and Frozen Frames
Unblocking The Main Thread Solving ANRs and Frozen FramesUnblocking The Main Thread Solving ANRs and Frozen Frames
Unblocking The Main Thread Solving ANRs and Frozen FramesSinan KOZAK
 
WordPress Websites for Engineers: Elevate Your Brand
WordPress Websites for Engineers: Elevate Your BrandWordPress Websites for Engineers: Elevate Your Brand
WordPress Websites for Engineers: Elevate Your Brandgvaughan
 
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks..."LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...Fwdays
 
Gen AI in Business - Global Trends Report 2024.pdf
Gen AI in Business - Global Trends Report 2024.pdfGen AI in Business - Global Trends Report 2024.pdf
Gen AI in Business - Global Trends Report 2024.pdfAddepto
 
Advanced Test Driven-Development @ php[tek] 2024
Advanced Test Driven-Development @ php[tek] 2024Advanced Test Driven-Development @ php[tek] 2024
Advanced Test Driven-Development @ php[tek] 2024Scott Keck-Warren
 
Tampa BSides - Chef's Tour of Microsoft Security Adoption Framework (SAF)
Tampa BSides - Chef's Tour of Microsoft Security Adoption Framework (SAF)Tampa BSides - Chef's Tour of Microsoft Security Adoption Framework (SAF)
Tampa BSides - Chef's Tour of Microsoft Security Adoption Framework (SAF)Mark Simos
 
Science&tech:THE INFORMATION AGE STS.pdf
Science&tech:THE INFORMATION AGE STS.pdfScience&tech:THE INFORMATION AGE STS.pdf
Science&tech:THE INFORMATION AGE STS.pdfjimielynbastida
 
APIForce Zurich 5 April Automation LPDG
APIForce Zurich 5 April  Automation LPDGAPIForce Zurich 5 April  Automation LPDG
APIForce Zurich 5 April Automation LPDGMarianaLemus7
 
"ML in Production",Oleksandr Bagan
"ML in Production",Oleksandr Bagan"ML in Production",Oleksandr Bagan
"ML in Production",Oleksandr BaganFwdays
 
Unraveling Multimodality with Large Language Models.pdf
Unraveling Multimodality with Large Language Models.pdfUnraveling Multimodality with Large Language Models.pdf
Unraveling Multimodality with Large Language Models.pdfAlex Barbosa Coqueiro
 
Human Factors of XR: Using Human Factors to Design XR Systems
Human Factors of XR: Using Human Factors to Design XR SystemsHuman Factors of XR: Using Human Factors to Design XR Systems
Human Factors of XR: Using Human Factors to Design XR SystemsMark Billinghurst
 
"Debugging python applications inside k8s environment", Andrii Soldatenko
"Debugging python applications inside k8s environment", Andrii Soldatenko"Debugging python applications inside k8s environment", Andrii Soldatenko
"Debugging python applications inside k8s environment", Andrii SoldatenkoFwdays
 

Recently uploaded (20)

DMCC Future of Trade Web3 - Special Edition
DMCC Future of Trade Web3 - Special EditionDMCC Future of Trade Web3 - Special Edition
DMCC Future of Trade Web3 - Special Edition
 
SQL Database Design For Developers at php[tek] 2024
SQL Database Design For Developers at php[tek] 2024SQL Database Design For Developers at php[tek] 2024
SQL Database Design For Developers at php[tek] 2024
 
Nell’iperspazio con Rocket: il Framework Web di Rust!
Nell’iperspazio con Rocket: il Framework Web di Rust!Nell’iperspazio con Rocket: il Framework Web di Rust!
Nell’iperspazio con Rocket: il Framework Web di Rust!
 
Pigging Solutions Piggable Sweeping Elbows
Pigging Solutions Piggable Sweeping ElbowsPigging Solutions Piggable Sweeping Elbows
Pigging Solutions Piggable Sweeping Elbows
 
New from BookNet Canada for 2024: BNC BiblioShare - Tech Forum 2024
New from BookNet Canada for 2024: BNC BiblioShare - Tech Forum 2024New from BookNet Canada for 2024: BNC BiblioShare - Tech Forum 2024
New from BookNet Canada for 2024: BNC BiblioShare - Tech Forum 2024
 
Build your next Gen AI Breakthrough - April 2024
Build your next Gen AI Breakthrough - April 2024Build your next Gen AI Breakthrough - April 2024
Build your next Gen AI Breakthrough - April 2024
 
Are Multi-Cloud and Serverless Good or Bad?
Are Multi-Cloud and Serverless Good or Bad?Are Multi-Cloud and Serverless Good or Bad?
Are Multi-Cloud and Serverless Good or Bad?
 
Unblocking The Main Thread Solving ANRs and Frozen Frames
Unblocking The Main Thread Solving ANRs and Frozen FramesUnblocking The Main Thread Solving ANRs and Frozen Frames
Unblocking The Main Thread Solving ANRs and Frozen Frames
 
WordPress Websites for Engineers: Elevate Your Brand
WordPress Websites for Engineers: Elevate Your BrandWordPress Websites for Engineers: Elevate Your Brand
WordPress Websites for Engineers: Elevate Your Brand
 
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks..."LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...
"LLMs for Python Engineers: Advanced Data Analysis and Semantic Kernel",Oleks...
 
Gen AI in Business - Global Trends Report 2024.pdf
Gen AI in Business - Global Trends Report 2024.pdfGen AI in Business - Global Trends Report 2024.pdf
Gen AI in Business - Global Trends Report 2024.pdf
 
Advanced Test Driven-Development @ php[tek] 2024
Advanced Test Driven-Development @ php[tek] 2024Advanced Test Driven-Development @ php[tek] 2024
Advanced Test Driven-Development @ php[tek] 2024
 
Tampa BSides - Chef's Tour of Microsoft Security Adoption Framework (SAF)
Tampa BSides - Chef's Tour of Microsoft Security Adoption Framework (SAF)Tampa BSides - Chef's Tour of Microsoft Security Adoption Framework (SAF)
Tampa BSides - Chef's Tour of Microsoft Security Adoption Framework (SAF)
 
Science&tech:THE INFORMATION AGE STS.pdf
Science&tech:THE INFORMATION AGE STS.pdfScience&tech:THE INFORMATION AGE STS.pdf
Science&tech:THE INFORMATION AGE STS.pdf
 
APIForce Zurich 5 April Automation LPDG
APIForce Zurich 5 April  Automation LPDGAPIForce Zurich 5 April  Automation LPDG
APIForce Zurich 5 April Automation LPDG
 
"ML in Production",Oleksandr Bagan
"ML in Production",Oleksandr Bagan"ML in Production",Oleksandr Bagan
"ML in Production",Oleksandr Bagan
 
E-Vehicle_Hacking_by_Parul Sharma_null_owasp.pptx
E-Vehicle_Hacking_by_Parul Sharma_null_owasp.pptxE-Vehicle_Hacking_by_Parul Sharma_null_owasp.pptx
E-Vehicle_Hacking_by_Parul Sharma_null_owasp.pptx
 
Unraveling Multimodality with Large Language Models.pdf
Unraveling Multimodality with Large Language Models.pdfUnraveling Multimodality with Large Language Models.pdf
Unraveling Multimodality with Large Language Models.pdf
 
Human Factors of XR: Using Human Factors to Design XR Systems
Human Factors of XR: Using Human Factors to Design XR SystemsHuman Factors of XR: Using Human Factors to Design XR Systems
Human Factors of XR: Using Human Factors to Design XR Systems
 
"Debugging python applications inside k8s environment", Andrii Soldatenko
"Debugging python applications inside k8s environment", Andrii Soldatenko"Debugging python applications inside k8s environment", Andrii Soldatenko
"Debugging python applications inside k8s environment", Andrii Soldatenko
 

Factor and multiply polynomials

  • 1. SKILLS ACQUIRED RESPONSES 1. Can factor numerical expressions easily 2. Can divide polynomials 3. Can apply the quotient rule for exponents 4. Can add and subtract polynomials 5. Can work with special products 6. Can multiply polynomials
  • 2. IRF WORKSHEETS Complete the table by filling first the initial column of the chart. This activity will determine how much you know about this topic and your progress. Express the following as a product of factors. INITIAL REVISE FINAL 1. 4x2 – 12x 2. 9m2 – 16n2 3. 4a2 + 12a + 9 4. 2x2 + 9x – 5 5. 27x3 – 8y3 6. a3 + 125b3 7. xm + hm – xn - hn
  • 3. MESSAGE FROM THE KING 1. 4x(3x – 5) 2. 3xy2(2x + y – 1) 3. (x+y)(x-y) 4. (2x + 3)(2x – 3) 5. (x – 5y)(x + 5y) 6. (x + y)2 7. (2x + 3)2 8. (x – 5y)2 9. (x + 4)(x – 3) 10. (2x – 1)(3x + 2) 11. (x+2)(2x – 5) 12. (x – 3)(x2 + 3x+9) 13. (x+3)(x2 – 3x + 9) 14. (a+b)(c-d) 15. (m-n)(r+s) 16. (3x + 4)(3x – 4) 17. (3x – 4)2 A. 6x2y2+3xy3-3xy2 F. x3 – 27 G. 4x2 – 9 R. 4x2 + 12x + 9 U. 12x2 – 20x E. 6x2 + x – 2 T. ac – ad + bc – bd S. mr – nr + ms – ns C. x2 – y2 I. 2x2 – x – 10 O. x2 – 10xy + 25y2 N. x2 + x – 12 H. x3 + 27 M. x2 + 2xy + y2 L. x2 – 25y2 P.9x2 – 16 V. 9x2 – 24x + 16
  • 4. 12 2 3 14 491178 1511 101314 101571017107 128 96 811142311516111451
  • 5. QUESTIONS 1. What are your observations on the expressions in column A? Compare them with those in column B. 2. Do you see any pattern? 3. Are the two groups of expressions related? 4. Why is it important to know the reverse process of multiplication?