Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - 8-8 Factoring by Grouping - Practice and Problem-Solving Exercises - Page 532: 33



Work Step by Step

$8m^{3}+32m^{2}+40m+160=$ ...factor out the GCF. $=8(m^{3}+4m^{2}+5m+20)$ ...factor by grouping. $=8[m^{2}(m+4)+5(m+4)]$ ...factor again. $=8(m^{2}+5)(m+4)$
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