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4. Factoring
Binomials
1) Determine the greatest common factor (GCF).
2) Factor the GCF out of each term.
Example 1
24x2 + 6x
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5. 2
Factoring Trinomials of the Form ax + bx + c where a = 1
Steps:
1) Write the factors of the constant term c.
2) Find the pair of factors whose sum is the middle co­efficient b
3) Write a product of two binomials using the factors found in 2.
Example 2
x2 + 5x +6
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6. Example 3 Factor the following
a) x2 + 8x + 15 b) x2 ­ 10x + 9
c) x2 + 5x ­ 24 d) x2 + 2x ­ 168
e) x4 ­ 10x2 + 24 f) a2 + 2ab + b2
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7. http://www.purplemath.com/modules/factquad.htm
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8. Assignment
page 126 questions 1 ­50 even and 68
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