Answer
$64r^{2}-80rs+25s^{2}$
Work Step by Step
$(8r-5s)^{2}=$
...square the binomial.
$=(8r)^{2}-2(8r)(5s)+(5s)^{2}$
...simplify.
=$64r^{2}-80rs+25s^{2}$
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: 41
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