Answer
$(4x-5)^{2}$
Work Step by Step
The first and last terms are perfect squares, $16x^{2}=(4x)^{2}$
$25=5^{2}$
The middle term is $-2(4x)(5)$, so we apply the formula:
$(A-B)^{2}=A^{2}-2AB+B^{2}$
$=(4x-5)^{2}$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Review Exercises - Page 143: 97
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