👉 Quadrinomial is a term used in mathematics to describe a polynomial where the leading coefficient (the coefficient of the highest power of x) is 1. It is a type of binomial, but it's not a specific kind like a trinomial or a trinomial. In algebra, quadrinomials are polynomials with degree four. They can be expressed in terms of binomials (a generalization of the binomial theorem) and they have special properties
