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May 30, 2015

Homework Help: 7th Grade Math ~Multiplying Polynomials

Posted by Gabby on Tuesday, May 14, 2013 at 8:56pm.

1. (2x)(10x) (1point)
20x
12x
20x^2**
5x

2. -3m(m+8) (1point)
-3m^2+24
-3m^2-24m**
-24m^2
-4m+5

3. 4d(2d-9) (1point)
8d-36d
-d
-28d^2**
8d^2-36d

4. 5b(6b-10)
11b-10
5b^2+6b-10
-b-10
30b^2-50b**

Are these right

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