Algebraic Expressions

x2 + 6x + 9

Above is an example of an algebraic expression. Algebraic expressions are expressions which contain terms, variables and coefficients, and constants.

Terms

Terms are the elements in an algebraic expression, separated by the arithmetic signs.

Example

A term may consist of variables and coefficients, or a constant.

Variables

The letters in a term (by extension, algebraic expression) are called variables.

Example

Coefficients

Coefficients are the numbers before variables.

Example

Constants

Constants are the terms that contain numbers only.

Example

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