Answer
$x=17$
Work Step by Step
$\sqrt {x+8}-5=0$
$\sqrt {x+8}=5~~$ (Square both sides)
$(\sqrt {x+8})^2=5^2$
$x+8=25$
$x=25-8=17$
Check the solution:
$\sqrt {17+8}-5=\sqrt {25}-5=5-5=0$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - 1.6 - Other Types of Equations - 1.6 Exercises - Page 128: 33
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