Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "x2"   was replaced by   "x^2". 

Step  1  :

            d
 Simplify   —
            d

Equation at the end of step  1  :

  ((1 • x2) • x) • y
 Step  2  :

Final result :

  x3y