Posted by **Tim** on Thursday, April 15, 2010 at 8:33pm.

I can't get the right answer to this problem...what am I doing wrong?

(2x-4)(x+1)^2

(2x-4)(x^2+2x+2)

2x^3+4x^2+4x-4x^2-8x-8

2x^3-4x-8 but the answer I'm supposed to get is 2x^3-6x-4

what am I doing wrong? Please help! thanks

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