Answer
r$^2$-4rs+4s$^2$
Work Step by Step
(A+B)$^2$=A$^2$+2AB+B$^2$
(r-2s)$^2$
(r)$^2$+2(r)(-2s)+(-2s)$^2$
r$^2$-4rs+4s$^2$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter P, Prerequisites - Section P.5 - Algebraic Expressions - P.5 Exercises - Page 36: 52
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