Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 10 - Section 10.1 - Finding Monomial Factors - Exercise: 10

Answer

$7y(x-3)$

Work Step by Step

7y is a common factor of both of the terms. $7xy-21y=7y(x-3)$
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