Answer
(7x+3y)(x+3y)
Work Step by Step
7$x^{2}$+24xy+9$y^{2}$=7$x^{2}$+21xy+3xy+9$y^{2}$=
7x(x+3y)+3y(x+3y)=(7x+3y)(x+3y)
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 - Section 6.5 - Integrated Review - Choosing a Factoring Strategy - Page 451: 64
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