Answer:
(3x-6)(x-2)
Explanation:
To factor this expression, you should divide the 12x into parts.
3x - 6x - 6x +12 works,
so factor 3x^2 and -6x = 3x(x-2)
then factor 6x and 12 to match the first expression, -6(x-2).
Both expressions have (x-2) in common, so you can factor the two resulting expressions: (3x-6)(x-2).