Monday
April 21, 2014

Homework Help: lomas

Posted by math on Monday, November 1, 2010 at 3:16pm.

Right answer?

15(x^2+3x) + 7(x^2+3x) - 5(x^2+3x)

15x^2+45x+7x^2+21x + 5(-x^2-3x)

15x^2+45x+7x^2+21x-5x^2-15x

17x^2+51x

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