Multiply 2m3n5 ( 6m4n )
2m3n5 ( 6m4n )= 12 m^7n^6
i hope this helps you
2m^3n^5 (6m^4n)
2.6.(m^3+4)(n^5+1)
2.2.3.m^7.n^6
3.2^2.m^7.n^6