Answer
$9(x+1)(x-2)$
Work Step by Step
$9x^2-9x+18=9(x^2-x+2)=9(x^2+x-2x+2)=9(x(x+1)-2(x+1))=9((x+1)(x-2))=9(x+1)(x-2)$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 5 - Mid-Chapter Check Point - Page 364: 23
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