So if we, 10 x minus nine x is just going to be x. And then in our denominator, we're almost there. In our denominator, we could just write that as x plus three x, x squared plus three x squared. Or if we want, we could expand it out. I'll just leave it like that. x squared plus three x squared. And so if we want to, let's just simplify, or attempt to simplify this a little bit.