Solution - Simplification or other simple results

Step  1  :

 1.1     4 = 22

(4)² = (2²)² = 2⁴

Equation at the end of step  1  :

  (34) • 24

Step  2  :

Equation at the end of step  2  :

  34 • 24

Step  3  :

Final result :

  (34•24)