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Definition

Trinomial

A trinomial is a special type of polynomial that consists of exactly three terms. It is formed by combining exactly three monomials using addition or subtraction. Examples of trinomials include x27x+12x^2 - 7x + 12, 9m2+2mn8n29m^2 + 2mn - 8n^2, 6k4k3+8k6k^4 - k^3 + 8k, and z4+3z21z^4 + 3z^2 - 1.

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Updated 2026-04-29

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