Answer
$2b(x+11)^{2}$
Work Step by Step
$ 2bx^{2}+44bx+242b\qquad$...factor out the common term, $2b$.
$=2b(x^{2}+22x+121)\qquad$...recognize a perfect square trinomial.
$(A\pm B)^{2}=A^{2}\pm 2AB+B^{2}$; $A=x,\ B=11$
$=2b(x+11)^{2}$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 6 - Section 6.5 - A General Factoring Strategy - Exercise Set - Page 463: 99
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