Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-7" was replaced by "^(-7)".

Step  1  :

Equation at the end of step  1  :

  ((2-7) • 55)2

Step  2  :

Equation at the end of step  2  :

  ((2)(-7) • 55)2

Step  3  :

 3.1     3125 = 55

(3125)² = (5⁵)² = 5¹⁰  3.2     128 = 2⁷ (128)² = (2⁷)² = 2¹⁴

Final result :

  510             
  ——— = 596.04645 
  214