Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "x4"   was replaced by   "x^4". 

Step  1  :

 1.1     4 = 22

(4)³ = (2²)³ = 2⁶

Equation at the end of step  1  :

  (33) • (x2^6)
 Step  2  :

Equation at the end of step  2  :

  33 • x64

Step  3  :

Final result :

  33x64