Answer
$a=-2$ or $a=-6$
Work Step by Step
We are given:
$a^2+8a+12=0$
$a^2+2a+6a+12$
$(a+2)(a+6)=0$
$a+2$ or $a+6=0$
$a=-2$ or $a=-6$
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 9 - Quadratic Functions and Equations - 9-4 Factoring to Solve Quadratic Equations - Practice and Problem-Solving Exercises - Page 571: 30
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