Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 6 - Cumulative Review - Page 265: 17



Work Step by Step

We simplify by distributing and then combine similar terms as follows: $$(4x - 3y)(5x + 2y)=20x^2+8xy-15xy-6y^2\\ =20x^2-7xy-6y^2.$$
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