Answer
$25x^2+30xy+9y^2$
Work Step by Step
$(5x + 3y)^2=(5x + 3y)(5x + 3y)$
$=25x^2+15xy+15xy+9y^2=25x^2+30xy+9y^2$
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 - Test: 13
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