Solution - Simplification or other simple results

Step  1  :

            3
 Simplify   —
            1

Equation at the end of step  1  :

  ((4 -  (42)) -  3) +  4

Step  2  :

 2.1     4 = 22

(4)² = (2²)² = 2⁴

Equation at the end of step  2  :

  ((4 -  24) -  3) +  4

Step  3  :

Final result :

  -11