Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - 8-5 Factoring x2+bx+c - Practice and Problem-Solving Exercises - Page 517: 67



Work Step by Step

You are given (3w+7)(3w-7).Multiple each term in the parentheses with the terms in the other parentheses: 3w*3w=$9w^{2}$ 3w*-7=-21w 7*3w=21w 7+-7=-49 $9^{2}$$w^{2}$-21w+21w-49 =$9w^{2}$-49
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