Answer
$(a-3)(a+10)$
Work Step by Step
We will use the rules of factoring trinomials to completely factor the polynomial:
$a^{2}+7a-30$
=$a^{2}-3a+10a-30$
=$a(a-3)+10(a-3)$
=$(a-3)(a+10)$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 6 - Factoring, Solving Equations, and Problem Solving - 6.5 - Factoring, Solving Equations, and Problem Solving - Problem Set 6.5 - Page 269: 20
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