Answer
$8(m+4)(m^{2}+5)$
Work Step by Step
Given :
$8(m^{3}+4m^{2}+5m+20)$
This becomes :
$=8(m^{2}(m+4)+5(m+4))$
$=8((m^{2}+5)(m+4))$
$=8(m+4)(m^{2}+5)$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 8 - Polynomials and Factoring - 8-8 Factoring by Grouping - Practice and Problem-Solving Exercises - Page 520: 33
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