Answer
$$20x^2-7xy-6y^2.$$
Work Step by Step
We simplify by distributing and then combine similar terms as follows:
$$(4x - 3y)(5x + 2y)=20x^2+8xy-15xy-6y^2\\
=20x^2-7xy-6y^2.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 6 - Cumulative Review - Page 265: 17
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