# factoring and expanding polynomials

**Question description**

**I. Factoring and expanding polynomials**

college level math Factor the following polynomials:

Expand the following: 9. (x+1)(x−1)(x−3)

10. (2x+3y)2 11. (3x+ 3)(6x− 6)

2 12. (x −2x+3)2

5 13. (x+1)

14. (x−1)6

1. 2. 3. 4. 5. 6. 7. 8.

**II.**

15a3b2 −45a2b3 −60a2b 7x3y3 +21x2y2 −10x3y2 −30x2y

6x4y4 −6x3y2 +8xy2 −8 2x2 −7xy+6y2 y4 +y2 −6 7x3 +56y3

81r4 −16s4 (x+y)2 +2(x+y)+1

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