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: 8

Answer

$x=59$

Work Step by Step

$\sqrt {x+5}-8=0$ Add 8 to both sides. $\sqrt{x+5}-8+8=0+8$ Simplify. $\sqrt{x+5}=8$ Square both sides. $(\sqrt {x+5})^2=8^2$ Simplify. $x+5=64$ Subtract 5 from each side. $x+5-5=64-5$ Simplify. $x=59$
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