Answer
$s=9$ or $s=5$
Work Step by Step
$s^2-14s+45=0$
$(s-9)(s-5)=0$
$s-9=0$ or $(s-5)=0$
$s=9$ or $s=5$
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: 16
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