Answer
$x=5$ or $x=-1$
Work Step by Step
Take the square root of both sides
\begin{align*}
\sqrt{(x-2)^2}&=\pm \sqrt{9}\\
x-2&=\pm 3\\
x&=2 \pm 3
\end{align*}
Hence,
$x=2+3=5$ or $x=2-3=-1$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 1 - Graphs - 1.4 Circles - 1.4 Assess Your Understanding - Page 38: 2
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