Answer
$a*(4a+1)(5a+8)$
Work Step by Step
$20a^3+37a^2+8a$
$a*(20a^2+37a+8)$
$20a^2+37a+8$
$20a^2+32a+5a+8$
$4a(5a+8)+5a+8$
$4a(5a+8)+1(5a+8)$
$(4a+1)(5a+8)$
$a*(4a+1)(5a+8)$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.