Answer
$\frac{x-9}{2x+5}$
Work Step by Step
$\frac{x^2-81}{2x^2+23x+45}$
$=\frac{(x-9)(x+9)}{(2x+5)(x+9)}$
Simplify:
$=\frac{x-9}{2x+5}$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 11 - Rational Expressions and Functions - Common Core Cumulative Standards Review - Selected Response - Page 722: 24
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.
