So let's see if we can simplify this a little bit. All of this is going to be equal to, we can write this term right over here, as f prime of x, as f prime of x over g of x. And we can write all of this as, we can put this negative sign out front, we have negative f of x times g prime of x, and then all of that over g of x squared. All of that over g of x squared. And it still isn't the form that you typically see in your calculus book. To do that, we just have to add these two fractions. So let's multiply the numerator and the denominator here by g of x so that we have everything in the form of g of x squared in the denominator.