Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Review Exercises: 78

Answer

$4x^2+20x+25$

Work Step by Step

$(2x+5)^2=(2x+5)(2x+5)=(2x)(2x)+(2x)(5)+(5)(2x)+(5)(5)=4x^2+10x+10x+25=4x^2+20x+25$
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