Answer
$-5\sqrt{13}$
Work Step by Step
RECALL:
For any real numbers $a, b,$ and $c$,
$ac-bc=(a-b)c$
Use the rule above to combine like terms:
$=(3-8)\sqrt{13}
\\=-5\sqrt{13}$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 8 - Section 8.3 - Operations with Radicals - Exercise Set - Page 591: 5
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
