Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 10 - Radical Expressions and Equations - 10-3 Operations With Radical Expressions - Practice and Problem-Solving Exercises - Page 629: 13



Work Step by Step

You are given 3$\sqrt 7$- $\sqrt 63$.When you simplify $\sqrt 63$ you get 3$\sqrt 7$.You have 3$\sqrt 7$-3$\sqrt 7$ and you can solve now: 3$\sqrt 7$-3$\sqrt 7$ -use distributive property to simplify similar elements- $\sqrt 7$(3-3) -simplify- 0$\sqrt 7$ =0
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.