Answer
$3r\sqrt 2$
Work Step by Step
Combine the square roots into one term, and then break it down to simplify it.
$\sqrt {6r}\sqrt {3r}$
$\sqrt {18r^2}$
$\sqrt {9r^2*2}$
$3r\sqrt 2$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Summary, Review, and Test - Test - Page 91: 7
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