Answer
$9d^{2}+60d+100$
Work Step by Step
$(3d+10)^{2}=$
...square the binomial.
$=(3d)^{2}+2(3d)(10)+10^{2}$
...simplify.
=$9d^{2}+60d+100$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - Mid-Chapter Quiz - Page 510: 20
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