Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  (63) • 73

Step  2  :

 2.1     6 = 2•3

(6)³ = (2•3)³ = 2³ • 3³

Equation at the end of step  2  :

  (23•33) • 73

Step  3  :

Final result :

  (23•33•73)