Trinomial

In elementary algebra, a trinomial is a polynomial consisting of three terms or monomials.

[1] A trinomial equation is a polynomial equation involving three terms.

studied by Johann Heinrich Lambert in the 18th century.

This polynomial-related article is a stub.

You can help Wikipedia by expanding it.

Layers of Pascal's pyramid derived from coefficients in an upside-down ternary plot of the terms in the expansions of the powers of a trinomial