Question 26692
8m3.9m4
_______
3m5

First multiply the numerator;
{{{8m^3}}}*{{{9m^4}}}={{{72m^7}}}
Now we have;
{{{72m^7/3m^5}}}
when you are dividing variables which are the same, you subtract there exponents, also you can simplify {{{72/3}}};
24m^7-5;
{{{24m^2}}}
Hope you understand
=)