Solution - Simplification or other simple results

Step  1  :

 1.1     45 = 32•5

(45)² = (3²•5)² = 3⁴ • 5²

Equation at the end of step  1  :

  (452) -  (34•52)

Step  2  :

 2.1     45 = 32•5

(45)² = (3²•5)² = 3⁴ • 5²

Equation at the end of step  2  :

  (34•52) -  (34•52)

Step  3  :

Final result :

  0