It is the coefficient of the unknown variable
8x
37n
factor
4x
It is the coefficient of the variable
Let the number be x and so the expression is 8x
That is often called the coefficient.
It is called the coefficient of the variable
The coefficient would be the number multiplied by the variable, in this case: 7
A number or expression that can be multiplied to get another number or expression is called a factor.
(x - 25)*4
classifacation of algebraic expression according to the number of terms