Answer
In $(3x+6)(3x-9)$, both factors have $3$ as a factor.
The correct answer:
$9x^2-9x-54=9(x+2)(x-3)$
Work Step by Step
$9x^2-9x-54=(3x+6)(3x-9)=3(x+2)3(x-3)=9(x+2)(x-3)$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - P.4 - Factoring Polynomials - Exercises - Page 40: 91
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