Simplify 9asquare_ msquare divided by msquare _2am_3asquare

Answer 1

could you possibly write that more clearly I honsetly cant really figure out what to do

Answer 2

(9a^2-m^2)/(m^2-2am-3a^2)
=(3a-m)(3a+m) / (m-3a)/(m+a)
= - (3a+m)/(a+m)