Answer
$k=-2$ or $k=-5$
Work Step by Step
$k^2+7k+10=0$
$k^2+2k+5k+10$
$(k+2)(k+5)=0$
$k+2$ or $k+5=0$
$k=-2$ or $k=-5$
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: 31
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