Answer
$(a+b)(x^2+5x-2)$
Work Step by Step
$ax^2+5ax-2a+bx^2+5bx-2b=\\=ax^2+bx^2+5ax+5bx-2a-2b\\=x^2(a+b)+5x(a+b)-2(a+b)\\=(a+b)(x^2+5x-2)$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 5 - Section 5.3 - Greatest Common Factors and Factoring by Grouping - Exercise Set - Page 348: 75
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