# How do you factor #3x^2-x-4?

Factor $f \left(x\right) = 3 {x}^{2} - x - 4.$
$f \left(x\right) = \left(x + 1\right) \left(x - \frac{4}{3}\right) = \left(x + 1\right) \left(3 x - 4\right)$