Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.4 - Adding, Subtracting, and Multiplying Radical Expressions - Exercise Set: 84



Work Step by Step

$\dfrac{-5+10\sqrt{7}}{5}$ Take out common factor $5$ from the numerator and simplify: $\dfrac{-5+10\sqrt{7}}{5}=\dfrac{5(-1+2\sqrt{7})}{5}=2\sqrt{7}-1$
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.