Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "x3"   was replaced by   "x^3". 

Step  1  :

             5
 Simplify   ——
            12

Equation at the end of step  1  :

   5
  —— • x3
  12

Step  2  :

Final result :

  5x3
  ———
  12