Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-2" was replaced by "^(-2)". 1 more similar replacement(s)

Step  1  :

Equation at the end of step  1  :

  ((3-8) • 73)-2

Step  2  :

Equation at the end of step  2  :

  ((3)(-8) • 73)-2

Step  3  :

 3.1     343 = 73

(343)^-2 = (7³)^(-2) = (7)^(-6)  3.2     6561 = 3⁸ (6561)^-2 = (3⁸)^(-2) = (3)^(-16)

Final result :

  1 • 316
  ———————
  1 • 76