Question

Factor
t^2-3t-18

Answer 1

You're looking for something of the form (x + _)(x + _)

Look for two numbers whose product is -18 and whose sum is -3. Those two numbers will go into those blanks.

Answer 2

3 x -6 =-18
3 + -6 =-3

Answer 3

(t-6)(t+3)