Every nonconstant polynomial P ∈ C [ X ] {\displaystyle {}P\in \mathbb {C} [X]} over the complex numbers
![{\displaystyle {}P\in \mathbb {C} [X]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/85d540167cb05d3657c04d37de56b40ef2defccd)