Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            2

Equation at the end of step  1  :

   1           1
  (— • 44) -  (— • 44)
   2           2

Step  2  :

            1
 Simplify   —
            2

Equation at the end of step  2  :

   1          
  (— • 44) -  22
   2          

Step  3  :

Pulling out like terms :

 3.1      Pull out     22 

After pulling out, we are left with :
      22 • ( 1 +( (-1) ))

Final result :

  0