Question

Evaluate (6t)2-12 when t=2

Answer 1

(6t)2-12
(6(2))2-12
(12)2-12
24-12
12
The answer to the problem is 12.

Answer 2

6t^2-12          1.Write down your problem
6(2)^2-12       2.Plug in value of t
6(4)-12           3.Square the two
12                  4. Get your answer