Hi, we've been studying polynomials at college recently and we've covered a lot of topics on it, but I'm stuck on one question. I remember doing questions like it, but we've gone over so much in the meantime that I've forgotten how to work it out!

Find the set of values of k such that the equation $\displaystyle x^2 + 4kx + 3k = 0$ has two distinct roots.

The discriminant (4k squared - 4(1)(3k)) has to be > 0 for it to have 2 distinct roots, but I forgot how to work it out!

Any tips? Thanks =D