Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.5 - Factoring Polynomials - Exercise Set - Page 68: 13



Work Step by Step

Regroup to obtain $(x^3-x^2)+(2x-2)$. Factor out $x^2$ in the first group and $2$ in the second: $x^2(x-1)+2(x-1)$. Factor out $(x-1)$ to obtain $(x-1)(x^2+2)$.
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