Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 8 - Cumulative Review: 35b

Answer

$x$

Work Step by Step

The square root is the inverse operation of the square; so they "undo" each other. $\sqrt x^{2}$ $=\sqrt (x*x)$ $=x$
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