In mathematics, an algebraic expression is an expression built up from integer constants, variables, and the algebraic operations (addition, subtraction, multiplication, division and exponentiation by an exponent that is a rational number).
For example, 3x^{2}-2xy+c} 3x^{2}-2xy+c is an algebraic expression.
A rational expression is an expression that may be rewritten to a rational fraction by using the properties of the arithmetic operations (commutative properties and associative properties of addition and multiplication, distributive property and rules for the operations on the fractions).
Algebra has its own terminology to describe parts of an expression:
Exponent (power), coefficient, term, operator, constant, x,y - variables
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