Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "x5"   was replaced by   "x^5". 

Step  1  :

            x5280 
 Simplify   —————
              1  

Equation at the end of step  1  :

  5
  — • x5280
  4

Step  2  :

            5
 Simplify   —
            4

Equation at the end of step  2  :

  5
  — • x5280
  4

Step  3  :

Final result :

  5x5280 
  ——————
    4