Solution - Power equations

Step  1  :

 1.1     9 = 32

(9)² = (3²)² = 3⁴

Equation at the end of step  1  :

Step  2  :

 2.1     9 = 32

(9)⁷ = (3²)⁷ = 3¹⁴

Equation at the end of step  2  :

Step  3  :

            314
 Simplify   ———
            34 

Dividing exponents :

 3.1    3¹⁴   divided by   3⁴   = 3^{(14 - 4)} = 3¹⁰

Final result :

  310