en.wikipedia.org/wiki/Polynomial

In mathematics, a polynomial is an expression consisting of variables (or
indeterminates) and coefficients, that involves only the operations of addition, ...

www.khanacademy.org/math/algebra/introduction-to-polynomial-expressions/introduction-to-polynomials/v/terms-coefficients-and-exponents-in-a-polynomial

Learn about the parts of polynomial expressions (including terms, coefficients,
and exponents).

www.khanacademy.org/math/algebra/introduction-to-polynomial-expressions

Learn how to add, subtract, and multiply polynomial expressions. For example,
write (2x+3)(x-1) as 2x²+x-3.

www.mathsisfun.com/algebra/polynomials.html

example of a polynomial this one ... A polynomial can have constants, variables
and exponents, ... For more complicated cases, read Degree (of an Expression).

tutorial.math.lamar.edu/Classes/Alg/Polynomials.aspx

We will start off with polynomials in one variable. Polynomials in one variable are
algebraic expressions that consist of terms in the form where n is a ...

www.purplemath.com/modules/polydefs.htm

By now, you should be familiar with variables and exponents, and you may have
dealt with expressions like 3x<sup>4</sup> or 6x. Polynomials are sums of these "variables ...

www.mathway.com/examples/algebra/simplifying-polynomials/determining-if-the-expression-is-a-polynomial?id=745

A polynomial is a combination of terms separated using + + or − - signs.
Polynomials ... Determine if the expression breaks any of the rules. Does not
break any ...

www.virtualnerd.com/algebra-2/polynomials/operations/simplifying-expressions/polynomial-definition

In this tutorial, you'll learn the definition of a polynomial and see some of the ...
Polynomials are those expressions that have variables raised to all sorts of ...

whatis.techtarget.com/definition/polynomial

A polynomial is a mathematical expression consisting of a sum of terms, each
term including a variable or variables raised to a power and multiplied by a ...

www.mathwarehouse.com/algebra/polynomial/polynomial-equation.php

In other words, it must be possible to write the expression without division. It's
easiest to understand what makes something a polynomial equation by looking
at ...