What does 13m2n3p + 21mp2 equal when completely factored?
13mp(mn3 + 2p)
m2p2(13n3 + 21)
mp(13mn3 + 21p)
mnp(13mn2 + 21p)
13mp(mn3 + 2p)
m2p2(13n3 + 21)
mp(13mn3 + 21p)
mnp(13mn2 + 21p)