Answer
$5\sqrt 3$
Work Step by Step
$\sqrt 75=\sqrt (25\times3)=\sqrt 25\times\sqrt 3=5\sqrt 3$
We know that $\sqrt 25=5$, because $5^{2}=25$.
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 7 - Review Exercises - Page 498: 56
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