Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 6 - Section 6.5 - Factoring by Special Products - Exercise Set - Page 448: 65


b[(a+2b)($a^{2}$ -2ab+4$b^{2}$)]

Work Step by Step

$a^{3}$b+8$b^{4}$=b($a^{3}$+8$b^{3}$ )=b[ $a^{3}$ +$(2b)^{3}$]= b[(a+2b)($a^{2}$ -a2b+$(2b)^{2}$)]= b[(a+2b)($a^{2}$ -2ab+4$b^{2}$)]
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