Answer
$5|x|$
Work Step by Step
As per definition of square root property,we have $\sqrt {x^2}=|x|$ and $\sqrt {25}=5$
Thus, $\sqrt{25x^2}=\sqrt{25} \sqrt {x^2}=5|x|$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 7 - Review Exercises - Page 576: 10
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