Jordi Guti?rrez Hermoso wrote:
> If my calculations are correct, the roots of x^6 + 3*x^5 + 6*x^4 +
> 3*x^3 + 9*x +9 should all be expressible by radicals. In fact, they
> are all polynomials in terms of 2^(1/3) and a cube root of unity.
>
> How can I make Maxima tell me what the roots actually are?
I'm not sure how to get maxima to find the symbolic expressions for the
roots, but as a first step, you can try 'allroots' which gives numerical
approximations.
hope that helps,
Dan