You can put this solution on YOUR website!
divide each term by 2m^3
6/2 is 3 and m^2/m^3 is 1/m, 3*1/m = 3/m
-9/2m^3= is simplified -9/2m^3
-m/2m^3 = -1/2m^2 (one m is now done because when you divide with exponents, you subtract the exponents.
so all together we have