# What is multinomial?

## What Does multinomial Mean

The notion of a multinomial is used in algebra to refer to an expression that contains two or more terms . To understand its meaning, therefore, one must first know what algebra is and what its expressions are .

Algebra is called the branch of mathematics dedicated to the study of abstract structures . In these structures, signs , letters and numbers are used to generalize arithmetic operations .
While arithmetic revolves around numbers and fundamental operations, algebra adds letters to develop the representation of unknowns (which are unknown quantities) and parameters (which can be coefficients or variables). In this framework, the expressions that are formed are called algebraic formulas .

Returning to the idea of ​​a multinomial, it is a quantity that is expressed by two or more terms in the same formula. An algebraic term , meanwhile, is a product of factors that is represented by letters and numbers.
When all the terms are integers and rational and are joined by the minus ( - ) or plus ( + ) signs , the multinomial is called a polynomial . That is why it can be said that a polynomial is a specific type of multinomial.
It is important to differentiate between multinomials, monomials, and binomials . While multinomials have several terms, monomials only have a single term. A binomial, on the other hand, is an expression consisting of two algebraic terms related by minus or plus signs.

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