Answer:
2
Step-by-step explanation:
[tex]12x {}^{2} + 4x - 3x - 1 = 0 [/tex]
[tex]4x \times (3x + 1) - (3x + 1) = 0[/tex]
[tex](3x + 1) \times (4x - 1) = 0[/tex]
[tex]3x + 1 = 0 \\ 4x - 1 = 0[/tex]
[tex]x = - \frac{1}{3} \\ x = \frac{1}{4} [/tex]
I hope this helps :)
