Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.3 - Algebraic Expressions - 1.3 Exercises: 109

Answer

$(2x+y)^{2}$

Work Step by Step

Use the special factoring formula of perfect squares to solve. $4x^{2}+4xy+y^{2}=(2x)^{2}+2(2)(x)(y)+(y)^{2}=(2x+y)^{2}$
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