Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 11 - Rational Expressions and Functions - 11-3 Dividing Polynomials - Lesson Check - Page 669: 7



Work Step by Step

Given: $1-x^4$ Apply formula:$(m^2-n^2)=(m-n)(m+n)$ $1-x^4=(1-x^2)(1+x^2)$ $1-x^4=-(x-1)(1+x)(1+x^2)$ Thus, $\frac{1-x^4}{x-1}=-(1+x)(1+x^2)$
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