Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 8 - Section 8.5 - Radical Equations - Exercise Set - Page 607: 5



Work Step by Step

$\sqrt {x+2}=3$ Square both sides. $(\sqrt {x+2})^2=3^2$ Simplify. $x+2=9$ Subtract 2 from each side. $x+2-2=9-2$ Simplify. $x=7$
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