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)".

Step  1  :

Equation at the end of step  1  :

  (23) • (3)(-2)

Step  2  :

Equation at the end of step  2  :

  23 • (3)(-2)

Step  3  :

Final result :

  8           
  — = 0.88889 
  9