Answer
3x(3x+7)(x+2)
Work Step by Step
9$x^{3}$+39$x^{2}$+12x=3x(3$x^{2}$+13$x^{}$+14)=
=3x(3$x^{2}$+6$x^{}$+7x+14)=
3x[3x(x+2)+7(x+2)]=3x(3x+7)(x+2)
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Test - Page 477: 12
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