Solution - Simplification or other simple results

Step  1  :

 1.1     18 = 2•32

(18)² = (2•3²)² = 2² • 3⁴

Equation at the end of step  1  :

  (302) +  (22•34)

Step  2  :

 2.1     30 = 2•3•5

(30)² = (2•3•5)² = 2² • 3² • 5²

Equation at the end of step  2  :

  (22•32•52) +  (22•34)

Step  3  :

Final result :

  1224