Question

(-t^3+5t^2-6t)+(8t^2-8t)

Answer 1

-t^3+13t^2-14t

Explanation:

(-t^3+5t^2-6t)+(8t^2-8t)

Combine like terms

-t^3+5t^2+8t^2-6t-8t

-t^3+13t^2-14t