#### Answer

$3x(4x+3)$

#### Work Step by Step

Factor out the greatest common factor, which is $3x$, to obtain:
$12x^2+9x=3x(4x+3)$

Published by
Pearson

ISBN 10:
0-13417-894-7

ISBN 13:
978-0-13417-894-3

$3x(4x+3)$

Factor out the greatest common factor, which is $3x$, to obtain:
$12x^2+9x=3x(4x+3)$

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