Question 5085
{{{(2m^2 + 2m - 4) / (m + 3)}}}

use my <A HREF=http://www.algebra.com/algebra/homework/quadratic/solve-quadratic-equation.solver>quadratic solver</A> to solve it:

roots are 1, -2

so it is equivalent to 

{{{(m-1)*(m+2)/(m+3)}}}

it is not further reducible. maybe you mistyped it.