Answer
$x=-2$ or $x=-4$
Work Step by Step
$x^2+6x+8=0$
$x^2+2x+4x+8$
$(x+2)(x+4)=0$
$x+2$ or $x+4=0$
$x=-2$ or $x=-4$
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: 29
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