For this case we have the following equation:
6x ^ 2 - 6x - 72 = 0
Rewriting we have:
x ^ 2 - x - 12 = 0
Factoring we have:
(x-4) (x + 3) = 0
Therefore, the solutions are:
x1 = 4
x2 = -3
Answer:
the smaller solution first, and the larger solution second:
x2 = -3
x1 = 4