Answer:
3
Step-by-step explanation:
It should be 3 because when you look at it divide them all and each one gives you 3. If it's not then sorry.
Answer:
C) 2x - 1
Step-by-step explanation:
12x² - 4x - 1 = 12x² - 6x + 2x - 1
= 6x(2x - 1) + (2x - 1)
= (2x - 1) (6x + 1)