Honestly, I think I have learned more in this tri than in any other math class I have taken.  Grouping polynomials to factor more easily? Totally got that.  Dividing a polynomial by a factor? Easy.  Finding the domain of two polynomials under square roots with one being divided by the other? Got it.  I think if I had looked at everything we would learn at the beginning of the tri, I would be very freaked out and would have convinced my self that there was no way I would ever be able to learn all that complicated stuff.  But now I have, and I'm very happy with my progress.