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 - 8-4 Multiplying Soecial Cases - Practice and Problem-Solving Exercises - Page 508: 26



Work Step by Step

We have the formula : (a+b) (a-b) = $a^{2}$-$b^{2}$ Apply the formula: (b+1)(b-1)=$b^{2}$-b+b-1 Simplify: $b^{2}$-1
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