Answer
$= 99$
Work Step by Step
We plug in the values for the variables that are given in the problem:
$(5x-2y)(3x+4y)$
$= (5(3)-2(6))(3(3)+4(6))$
$= (15 - 12)(9 + 24)$
$= 3(33)$
$= 99$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.1 - Numerical and Algebraic Expressions - Problem Set 1.1 - Page 7: 49
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