Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - 5.3 - Multiplying Polynomials - Problem Set 5.3: 6

Answer

$xy-9x-7y+63$

Work Step by Step

Using the Distributive Property, the given expression, $ (x-7)(y-9) ,$ is equivalent to \begin{array}{l}\require{cancel} x(y)+x(-9)-7(y)-7(-9) \\\\= xy-9x-7y+63 .\end{array}
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