Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

   8
  {—}3 - 32
   4

Step  2  :

            2
 Simplify   —
            1

Equation at the end of step  2  :

  (23) -  32

Step  3  :

Equation at the end of step  3  :

  23 -  32

Step  4  :

Final result :

  -1