Elementary Algebra

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

Chapter 5 - Exponents and Polynomials - Chapter 5 Test: 6

Answer

$x^{2}-7x-18$

Work Step by Step

To find the product of $(x-9)$ and $(x+2)$, we need to use the distributive property in which each term of the first polynomial is multiplied to each term of the second polynomial: $(x-9)(x+2)$ =$x(x+2)-9(x+2)$ =$x^{2}+2x-9x-18$ =$x^{2}-7x-18$
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