Solution - Power equations

Step  1  :

Equation at the end of step  1  :

Step  2  :

Equation at the end of step  2  :

Step  3  :

            34
 Simplify   ——
            32

Dividing exponents :

 3.1    3⁴   divided by   3²   = 3^{(4 - 2)} = 3²

Final result :

  9