Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - Chapter 1 Test Prep - Review Exercises - Page 178: 37


$-7\pm \sqrt {5}$

Work Step by Step

$\left( x+7\right) ^{2}=5\Rightarrow x+7=\pm \sqrt {5}\Rightarrow x=-7\pm \sqrt {5}$
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