Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "13.6" was replaced by "(136/10)".

Step  1  :

            68
 Simplify   ——
            5 

Equation at the end of step  1  :

       68
  0 -  —— ÷ n2
       5 

Step  2  :

         68      
 Divide  ——  by  n2
         5       

Equation at the end of step  2  :

        68
  0 -  ———
       5n2

Step  3  :

Final result :

  -68
  ———
  5n2