Solution - Simplification or other simple results

Step  1  :

            2
 Simplify   —
            3

Equation at the end of step  1  :

        2
  0 -  (—)2)
        3

Step  2  :

Equation at the end of step  2  :

       22
  0 -  ——
       32

Step  3  :

Final result :

  -22            
  ——— = -0.44444 
  32