Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 7 - Section 7.3 - Simplifying Radicals, the Distance Formula, and Circles - 7.3 Exercises - Page 459: 48


$6\sqrt 2$

Work Step by Step

$\sqrt 72=\sqrt (36\times2)=\sqrt 36\times\sqrt 2=6\sqrt 2$ We know that $\sqrt 36=6$, because $6^{2}=36$.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.