Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 3 - Section 3.3 - Dividng Polynomials - 3.3 Exercises: 39

Answer

$P(-1)=21$

Work Step by Step

RECALL: The remainder theorem states that if the polynomial P(x) is divided by $x-c$, then the remainder is the value of P(c). $c=-1$ therefore $x-c = x-(-1) = x+1$ Divide P(x) by $x=1$ using synthetic division to have:
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