Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "a3"   was replaced by   "a^3". 

Step  1  :

Equation at the end of step  1  :

  (23•3a30) • a

Step  2  :

Multiplying exponential expressions :

 2.1    a³⁰ multiplied by a¹ = a^{(30 + 1)} = a³¹

Final result :

  (23•3a31)