Answer
$(x + 7y)$$(3x - 5y)$ = $3x^{2} + 16xy - 35y^{2}$
Work Step by Step
$(x + 7y)$$(3x - 5y)$ = $3x^{2}$ - $5xy$ + $21xy$ - $35y^{2}$
= $3x^{2} + 16xy - 35y^{2}$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Summary, Review, and Test - Review Exercises - Page 91: 84
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