Answer
$3x^{2}-3x+13$
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)$
=$3x^{2}-3x+13$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - Chapter Test - Page 539: 4
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