## algebraic expression

### An algebraic expression is a mathematical phrase that can contain variables, constants, and operations such as addition, subtraction, multiplication, and division

An algebraic expression is a mathematical phrase that can contain variables, constants, and operations such as addition, subtraction, multiplication, and division. It can also include exponents and parentheses to indicate order of operations.

In simpler terms, an algebraic expression is a combination of numbers and letters or symbols, with mathematical operations, that represents a mathematical relationship or formula. For example, “2x + 3y” and “4a^2 – 5b + 7” are both algebraic expressions.

Variables in algebraic expressions represent unknown quantities that can vary, while constants are fixed, known values. The variables are often represented by letters such as x, y, or z, while constants can be specific numbers like 2 or 7.

Algebraic expressions are used to model real-life situations, solve equations, and perform calculations. They can be simplified, evaluated, or manipulated using various algebraic rules and techniques.

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