Solution - Simplification or other simple results

Step  1  :

            11
 Simplify   ——
            4 

Equation at the end of step  1  :

  22         11
  —— • (0 -  ——)
  5          4 

Step  2  :

            22
 Simplify   ——
            5 

Equation at the end of step  2  :

  22   -11
  —— • ———
  5     4 

Step  3  :

Final result :

  -121             
  ———— = -12.10000 
   10