Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-2" was replaced by "^(-2)".

Step  1  :

Multiplying exponential expressions :

 1.1    t¹ multiplied by t¹ = t^{(1 + 1)} = t²

Final result :

  t2