Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.2 - Exponents and Radicals - 1.2 Exercises - Page 24: 103

Answer

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

Work Step by Step

$9x^2-36x-45$ - factor out the 9 =$9(x^2-4x-5)$ factors that multiply to -5 and add to -4, are integers -5,+1 =$9(x-5)(x+1)$
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.