Answer
3721
Work Step by Step
$61^{2}$=$(60+1)^{2}$
$(a+b)^{2}$=$a^{2}$+2ab+$b^{2}$
Plug in values: $60^{2}$+2(60(1)+$1^{2}$
Simplify: 3600+120+1=3721
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 - 8-4 Multiplying Soecial Cases - Practice and Problem-Solving Exercises - Page 508: 20
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