Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "/-11" was replaced by "/(-11)".

 (2): "f2"   was replaced by   "f^2". 

Step  1  :

             5 
 Simplify   ———
            -11

Equation at the end of step  1  :

                      5 
  ((f2) • d) • (0 -  ———)
                     -11

Step  2  :

Final result :

  5f2d
  ————
   11