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 - Section 5.3 - Special Products - Exercise Set: 9

Answer

$10x^2-9x-9$

Work Step by Step

Using $(a+b)(c+d)=ab+ad+bc+bd$ or the FOIL Method, the product of the given expression, $ (2x-3)(5x+3) ,$ is \begin{array}{l}\require{cancel} 2x(5x)+2x(3)-3(5x)-3(3) \\\\= 10x^2+6x-15x-9 \\\\= 10x^2-9x-9 .\end{array}
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