Precalculus (6th Edition) Blitzer

by Blitzer, Robert F.

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: 11

Answer

$(x-2)(x^2+5)$

Work Step by Step

Regroup to obtain $(x^3-2x^2)+(5x-10)$. Factor out $x^2$ in the first group and $5$ in the second: $x^2(x-2)+5(x-2)$. Factor out $(x-2)$ to obtain $(x-2)(x^2+5)$.

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