Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            2

Equation at the end of step  1  :

  2         1
  — • (0 -  —)
  9         2

Step  2  :

            2
 Simplify   —
            9

Equation at the end of step  2  :

  2   -1
  — • ——
  9   2 

Step  3  :

Final result :

  -1            
  —— = -0.11111 
  9