Solution - Simplification or other simple results

Step  1  :

 1.1     9 = 32

(9)² = (3²)² = 3⁴

Equation at the end of step  1  :

  0 -  (34 • 3)

Step  2  :

Multiplying exponents :

 2.1    3⁴  multiplied by  3¹   = 3^{(4 + 1)} = 3⁵

Equation at the end of step  2  :

  0 -  35

Step  3  :

Final result :

   -35