True or False:
Every polynomial x^3 + ax^2 + bx + c with integer coefficients is a product of 3 linear factors in some Z [p].
I believe it's true, but I don't know how to prove how.
Read lemma 1.1 here: http://www.hytc.edu.cn/xsjl/szh/szh21.pdf , and then check the references.
Tonio