Factoring polynomials



Troy S wrote:
> New to Maxima.  I have a polynomial in a,b,c,x and I want it written as
> f(a,b,c)+f2(a,b,c) x + f3(a,b,c) x^2.
>
> How do I accomplish this?
>
> Thanks!
>
>   
A fast way of doing this is  rat(expression, x)