Answer
$(4a-7)^{2}$
Work Step by Step
16$a^{2}$-56a+49=$(4a)^{2}$-2*4a*7 +$7^{2}$=$(4a-7)^{2}$
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 - Section 6.5 - Integrated Review - Choosing a Factoring Strategy - Page 450: 31
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