Solution - Simplification or other simple results

Step  1  :

 1.1     60 = 22•3•5

(60)² = (2²•3•5)² = 2⁴ • 3² • 5²

Equation at the end of step  1  :

  (602) +  (24•32•52)

Step  2  :

 2.1     60 = 22•3•5

(60)² = (2²•3•5)² = 2⁴ • 3² • 5²

Equation at the end of step  2  :

  (24•32•52) +  (24•32•52)

Step  3  :

Final result :

  7200