# Expression > [!info]+ Definition > **An algebraic form consisting of a number of [[Term|terms]].** > [!characteristics]+ Characteristics (things to know) > - An expression can include one or more terms. > - Expressions don't have equals signs. > - Two expressions that are set equal to each other form an [[Equation|equation]]. > [!Examples]+ >- $12$ >- $y$ >- $x^2$ >- $7+3$ >- $5a-6b^2$ >- $x^2+5x-10$ >[!non-examples]+ >- $5x = 10$ >- $A=LW$