Question

Factor out the GCF: r^3+3r^2+4r
A) r(r^2+3r+4)
B) r^2(r+3r+4)
C) r^2(r^2+3r+4)
D) r(r^3+3r^2+4r)

Answer 1

http://www.calculatorsoup.com/calculators/math/gcf.php
this website can help you with any gcf problem
:)

Answer 2

That site is useless for factoring out of a poly.