Factorize the following:

Greatest common factor of the two terms namely 10m3n2, 15m4n, - 20m2n3 of expression 10m3n2 + 15m4n - 20m2n3 is 5mn2

10m3n2 + 15m4n - 20m2n3 = 5mn2(2mn + 3m2 - 4n)


7