3 m + 8 -------------- 2 m - 2*m*n + 4
(8.0 + m^3)/(4.0 + m^2 - 2.0*m*n)
3 8 + m --------------- 4 + m*(m - 2*n)
2 8 - 8*n - 4*m + 4*m*n m + 2*n + ---------------------- 2 4 + m - 2*m*n
/ 2 \ (2 + m)*\4 + m - 2*m/ ---------------------- 2 4 + m - 2*m*n