Answer
$3m$
Work Step by Step
$9m^{3}+15m^{2}-21m$
... factor each term.
$9m^{3}=(3)\cdot 3\cdot[m]\cdot m\cdot m$
$15m^{2}=(3)\cdot 5\cdot[m]\cdot m$
$21=(3)\cdot 7\cdot[m]$
GCF: $3m$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - 8-7 Factoring Special Cases - Practice and Problem-Solving Exercises - Page 528: 66
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