Answer
$7xy$
Work Step by Step
Given:$21x^2y^2-14xy^2+7xy$
This can be written in the exponent form as:
$=(7xy)(3xy)-(7xy)(2y)+7xy$
$=7xy(3xy-2y+1)$
This gives $GCF=7xy$
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 - Review Exercises - Page 400: 32
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