Answer
$a*(4a+1)(5a+8)$
Work Step by Step
$20a^3+37a^2+8a$
$a*(20a^2+37a+8)$
$20a^2+37a+8$
$20a^2+32a+5a+8$
$4a(5a+8)+5a+8$
$4a(5a+8)+1(5a+8)$
$(4a+1)(5a+8)$
$a*(4a+1)(5a+8)$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Section 6.4 - Factoring Trinomials of the Form ax2+bx+c by Grouping - Exercise Set - Page 441: 35
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