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.
It is an algebraic expression.
an expression
It is an algebraic expression.