Answer
$\sqrt{4-25z^2}$
Work Step by Step
Factor the binomial to have:
$=\sqrt{(2-5z)(2+5z)}$
The radicand has no perfect square factors, so the radicand is already in lowest terms.
Calculus with Applications (10th Edition)
by Lial, Margaret L.; Greenwell, Raymond N.; Ritchey, Nathan P.
Published by
Pearson
ISBN 10:
0321749006
ISBN 13:
978-0-32174-900-0
Chapter R - Algebra Reference - R.7 Radicals - R.7 Exercises - Page R-29: 25
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