Answer
49y$^2$-28y+4
Work Step by Step
(A+B)$^2$=A$^2$+2AB+B$^2$
(2-7y)$^2$
(2)$^2$+2(2)(-7y)+(-7y)$^2$
4-28y+49y$^2$
49y$^2$-28y+4
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: 46
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