Question

How do you multiply `(3t^2 -2t -4)(5t+9)`?

Answer 1

`15t^3 + 17t^2 - 38t - 36`

Explanation:

`3t^2(5t + 9) -2t (5t + 9) - 4(5t + 9)`

`= 15t^3 + 27t^2 - 10t^2 - 18t - 20t - 36`