Question

If t= -3, then 3t^3 + 5t +6 equals ?

Answer 1

3t^3 + 5t + 6

= 3(-3)^3 + 5(-3) + 6

= 81 + (-15) + 6

= 81 - 15 + 6

= 72

Explanation:

•Remember:

Positive and negative equals to negative.

+ & - = -