Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  (22 - (42))    
  ——————————— +  23
       3         

Step  2  :

 2.1     4 = 22

(4)² = (2²)² = 2⁴

Equation at the end of step  2  :

  (22 - 24)    
  ————————— +  23
      3        

Step  3  :

            2
 Simplify   —
            1

Equation at the end of step  3  :

  2 +  23

Step  4  :

Final result :

  10