The definition is A combination of variables, numbers, and at least one operation.
Expression
It is an algebraic expression.
Equation
I don't know if there is an official term, but I have only heard it called: Plug n' chug. This is because you "plug" in numbers into the variables, and then "chug" through the computations to get the answer.
complex numbers
The definition is A combination of variables, numbers, and at least one operation.
Expression
A combination of variables,numbers,and at least one operation!
The term for that is algebra.
Expression
That sounds like the description of an "expression", except for one detail: an expression MAY have operations, but also, it may not, since numbers and variables are themselves expressions.
An expression.
An equation.
Algebraic expressions is a mathematical phrase that contains operations numbers or variables.
It is an algebraic expression.
an expression