Answer
$25x^2-30xy+9y^2$
Work Step by Step
The square of a binomial sum is: $(A+B)^2=A^2+2AB+B^2$.
The square of a binomial difference is: $(A-B)^2=A^2-2AB+B^2$.
Hence here: $(5x-3y)^2=(5x)^2-2\cdot5x\cdot3y+(3y)^2=25x^2-30xy+9y^2$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 5 - Section 5.2 - Multiplication of Polynomials - Exercise Set - Page 338: 61
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