Name __________ANSWER KEY_______________________________ Date ______________ Block
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Factoring Polynomials – Extra Practice
1. x + x – 42
2
2. 6x2 + 7x – 3
(x – 6)(x + 7)
(2x + 3)(3x – 1)
3. 9x2 – 49
4. x2 – 13x + 30
(3x – 7)(3x + 7)
(x – 10)(x – 3)
5. -12a4 – 24a2b
6. 3x2 + 10x + 8
-12a2(a2 + 2b)
(3x + 4)(x + 2)
7. x2 – 5x – 36
8. 20x4 – 16x3 – 4x2
(x – 9)(x + 4)
4x2(5x + 1)(x – 1)
9. 16x3y – 24x4y3
8x3y(2 – 3xy2)
10. x3 +12x2 + 35x
x(x + 5)(x + 7)
11. 8x2 – 2x – 1
12. 6x2 – 35x – 6
(4x + 1)(2x – 1)
(x – 6)(6x + 1)
13. 9x2 + 4
14. x2 – 10x + 21
(x – 3)
Prime
15. 2 x2 – 12x – 54
(x –9)
2(x + 3)
(x – 7)
16. 24x2 – 216y2
6(2x – 6y)(2x + 6y)