# Chapter 8 - Polynomials and Factoring - Chapter Test - Page 539: 4

$3x^{2}-3x+13$

#### Work Step by Step

You are given $(8x^{2}+5x+7)-$$(5x^{2}+8x-6). Rewrite and group into similar terms: 8x^{2}+5x+7-$$(5x^{2}+8x-6)$ $(8x^{2}$$-5x^{2})+(5x-8x)+(7+6)$ =$3x^{2}-3x+13$

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