Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 5 - Polynomials and Factoring - 5.6 Factoring: A General Strategy - 5.6 Exercise Set: 36

Answer

$2\pi r(2r+1)$

Work Step by Step

Factoring the $GCF= 2\pi r $, then the given expression, $ 4\pi r^2+2\pi r $ is equivalent to \begin{array}{l} 2\pi r(2r+1) .\end{array}
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