College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.6 - Factoring - P.6 Exercises: 71

Answer

$9(x-5)(x+1)$

Work Step by Step

First, factor out the greatest common factor, which is $9$. $9x^{2}-36x-45=9(x^{2}-4x-5)$ Then, use FOIL to factor the trinomial. $9(x^{2}-4x-5)=9(x-5)(x+1)$
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.