Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.3 - Radicals and Rational Exponents - Exercise Set - Page 47: 131

Answer

Does not make sense.

Work Step by Step

We have $2\sqrt {20}+4\sqrt {75}=2\sqrt {4\times5}+4\sqrt {25\times3}=4\sqrt {5}+20\sqrt {3}$ and the radicals are not alike; thus the statement does not make sense.
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.