Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 7 - Rational Functions - 7.2 Simplifying Rational Expressions - 7.2 Exercises - Page 576: 60

Answer

$\frac{7 x^2+38 x+17}{x+5}= 7x+3+\frac{2}{x+5}$

Work Step by Step

Given \begin{equation} \begin{aligned} \left(7 x^2+38 x+17\right) \div(x+5) \end{aligned} \end{equation} Use synthetic division. \begin{equation} \begin{array}{r|rrr} -5& 7 & 38 & 17 \\ & & -35 & -15 \\ \hline & 7 & 3 & 2 \end{array} \end{equation} The solution is \begin{equation} \begin{aligned} \frac{7 x^2+38 x+17}{x+5}= 7 x+3+\frac{2}{x+5} \end{aligned} \end{equation}
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