Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 10 - Exponents and Radicals - 10.3 Multiplying Radical Expressions - 10.3 Exercise Set - Page 648: 86



Work Step by Step

This is sometimes the case, for it is only true if the number inside the parenthesis is positive. After all, since this is inside a square root, the function will not exist if the value is positive. Since the second expression exists for all values of $x$, we see that the simplification is only sometimes true.
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.