#### Answer

$4|x|$

#### Work Step by Step

Write the radicand as a square then simplify to have
$\sqrt{4^2x^2}
\\=4|x|.$

Published by
Prentice Hall

ISBN 10:
0133186024

ISBN 13:
978-0-13318-602-4

$4|x|$

Write the radicand as a square then simplify to have
$\sqrt{4^2x^2}
\\=4|x|.$

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