Question

just don't understand all of it help!!!

Answer 1

You have to substitute. So like number 1 is 3+5 because the value of t is three. 2. is -2.
3. is -9.
4 is 0.
5 is -12.
6 is 24.
7 is -96.
8 is 64.
9 is 7.
10 is 2.