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1. Factorize each of the following algebraic expressions :
Question 1.
x2
+ 12x – 45
Solution:
Question 2.
40 + 3x – x2
Solution:
Question 3.
a2
+ 3a-88
Solution:
Question 4.
a2
– 14a – 51

2. Solution:
Question 5.
x2
+ 14x + 45
Solution:
Question 6.
x2
– 22x + 120
Solution:
Question 7.
x2
– 11x – 42
Solution:

3. Question 8.
a2
+ 2a – 3
Solution:
Question 9.
a2
+ 14a + 48
Solution:
Question 10.
x2
– 4x – 21
Solution:
Question 11.
y2
– 5y-36

4. Solution:
Question 12.
(a2
-5a)2
-36
Solution:
Question 13.
(a + 7) (a – 10) + 16
Solution: