Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 4 - Review Exercises: 56



Work Step by Step

Using $(a+b)(c+d)=ac+ad+bc+bd$ or the FOIL Method, the product of the given expression, $ (3m-2)(5m+1) ,$ is \begin{array}{l}\require{cancel} 3m(5m)+3m(1)-2(5m)-2(1) \\\\= 15m^2+3m-10m-2 \\\\= 15m^2-7m-2 .\end{array}
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