College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Summary, Review, and Test - Review Exercises - Page 90: 50


$6\sqrt 5$

Work Step by Step

$\frac{30}{\sqrt 5}=\frac{30}{\sqrt 5}\times(\frac{\sqrt 5}{\sqrt 5})=\frac{30\sqrt 5}{5}=\frac{30\sqrt 5}{5}=\frac{30}{5}\times\sqrt 5=\frac{6}{1}\times\sqrt 5=6\sqrt 5$
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