an open sentence.
polynomial
It is an expression and if it contains an equality sign then it is an equation.
it is a varible
Yes, a mathematical expression can have no variables, but such an expression is usually not very useful. An example of a valid expression without variables is: 1+1=2
It is a more complicated mathematical expression.
An expression.
An algebraic expression.
Algebraic expressions is a mathematical phrase that contains operations numbers or variables.
Algebraic expressions is a mathematical phrase that contains operations numbers or variables.
An expression.
Expression
polynomial
An algebraic expression is a mathematical phrase that includes numbers, variables, and operational symbols.
A variable expression.
algabraic expression
(3+2) x 5
Algebraic expression