Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 6 - Section 6.5 - Synthetic Division and the Remainder Theorem - Exercise Set - Page 453: 10

Answer

$x^{3}-12x^{2}+73x-444+ \displaystyle \frac{2664}{6+x}$

Work Step by Step

Rewrite the polynomials in descending order of powers. $(x^{4}-6x^{3}+x^{2}-6x)\div(x+6)$ Dividing with $x-c\qquad...\qquad c=-6.$ Don't forget to place 0's for the missing terms. $\begin{array}{rrrrrrrr} \underline{-6}| &1 & -6 & 1 & -6 &0 & \\ & & -6 & 72 &-438 &2664 & \\ & -- & -- &-- &-- &-- & \\ &1 & -12 & 73 &-444 &2664 & \end{array}$ Quotient = $x^{3}-12x^{2}+73x-444$ Remainder = $2664$ $\displaystyle \frac{dividend}{divisor}=quotient+\frac{remainder}{divisor}$ $\displaystyle \frac{x^{2}-6x-6x^{3}+x^{4}}{6+x}$ = $x^{3}-12x^{2}+73x-444+ \displaystyle \frac{2664}{6+x}$
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