15th degree polynomial · undisclosed venture

Quindecic

Something is forming in the dark

A 15th-degree polynomial has no general closed-form solution.
Complex. Layered. Unsolved until it isn't.

This is a name held for what hasn't been built yet.

a₁₅x¹⁵ + a₁₄x¹⁴ + a₁₃x¹³ + · · · + a₁x + a₀ = 0