Answer
$(2x+y)^{2}$
Work Step by Step
Use the special factoring formula of perfect squares to solve.
$4x^{2}+4xy+y^{2}=(2x)^{2}+2(2)(x)(y)+(y)^{2}=(2x+y)^{2}$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.3 - Algebraic Expressions - 1.3 Exercises - Page 34: 109
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