Respuesta :

Let's simplify step-by-step.

3t−3+6t2+4t+13−8t2+11t−1

=3t+−3+6t2+4t+13+−8t2+11t+−1

Combine Like Terms:

=3t+−3+6t2+4t+13+−8t2+11t+−1

=(6t2+−8t2)+(3t+4t+11t)+(−3+13+−1)

=−2t2+18t+9