Answer
$(m+8)(5m+3)$
Work Step by Step
Separate all the terms into two sets of parentheses. Then find the greatest common factor of each set to factor.
$5m^2+40m+3m+24$
$=(5m^2+40m)+(3m+24)$
$=5m(m+8)+3(m+8)$
$=(m+8)(5m+3)$
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