Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter R - Algebra Reference - R.7 Radicals - R.7 Exercises: 11

Answer

$9\sqrt{7}$

Work Step by Step

Simplify each radical, when needed, to have: $=4\sqrt{7}-\sqrt{4(7)} + \sqrt{49(7)} \\=4\sqrt{7} -2\sqrt{7} + 7\sqrt{7}$ Combine like terms to have: $=(4-2+7)\sqrt{7} \\=9\sqrt{7}$
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.