Answer
$(2x+1)(9x^2+1)$
Work Step by Step
Regroup to obtain:
$=(18x^3+9x^2)+(2x+1)$
Factor out $9x^2$ in the first group to obtain:
$=9x^2(2x+1)+(2x+1)$
Factor out the greatest common factor $(2x+1)$ to obtain:
$=(2x+1)(9x^2+1)$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter P, Prerequisites - Section P.6 - Factoring - P.6 Exercises - Page 42: 50
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