Answer
$ \frac{-2(x^2-5x-9)}{(x^2+9)^2}$
Work Step by Step
$\frac{(x^2+9)\cdot2-(2x-5)\cdot2x}{(x^2+9)^2}=\frac{2x^2+18-4x^2+10x}{(x^2+9)^2}=\frac{-2x^2+10x+18}{(x^2+9)^2}=\frac{-2(x^2-5x-9)}{(x^2+9)^2}$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Appendix A - Review - A.6 Rational Expressions - A.6 Assess Your Understanding - Page A54: 92
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.
