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April 19, 2014

Homework Help: Algebra II

Posted by Jon on Friday, February 29, 2008 at 6:53pm.

Assume that no denomenator equals 0.

(7x^2+3x-9)-(-x^2+8x-3)

= 7x^2+3x-9+x^2-8x+3
= (7x^2+x^2)+(3x-8x)+(-9+3)
= 8x^2+-5x+-6
= 8x^2-5x-6(answer)

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