Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 5 - Mid-Chapter Check Point: 3

Answer

$12x^2-x-35$

Work Step by Step

Using $(a+b)(c+d)=ab+ad+bc+bd$ or the FOIL Method, the product of the given expression, $ (3x+5)(4x-7) ,$ is \begin{array}{l}\require{cancel} 3x(4x)+3x(-7)+5(4x)+5(-7) \\\\= 12x^2-21x+20x-35 \\\\= 12x^2-x-35 .\end{array}
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