Answer
$x$
Work Step by Step
The square root is the inverse operation of the square; so they "undo" each other.
$\sqrt x^{2}$
$=\sqrt (x*x)$
$=x$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 8 - Cumulative Review - Page 534: 35b
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