Solution - Power equations

Step  1  :

Equation at the end of step  1  :

  )23
  ———
  -45

Step  2  :

             23
 Simplify   ———
            -45

Equation at the end of step  2  :

  -8
  ——
  45

Step  3  :

 3.1     4 = 22

(4)² = (2²)² = 2⁴

Equation at the end of step  3  :

  -8
  ——
  45

Step  4  :

                 -8
 Divide  24  by  ——
                 45

Dividing exponents :

 4.1    2⁴   divided by   2³   = 2^{(4 - 3)} = 2¹ = 2

Final result :

  -90