College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.5 - Algebraic Expressions - P.5 Exercises - Page 36: 82



Work Step by Step

We distribute all the terms: $(1-b)^{2}(1+b)^{2}=(1-b)(1-b)(1+b)(1+b)=b^{4}-2b^{2}+1$
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