Final answer:
In the expression 3 + 7x + 3x + x, the terms are 3, 7x, 3x, and x.
The coefficients are 7, 3, and 1.
The constant term is 3.
Step-by-step explanation:
In the expression 3 + 7x + 3x + x, the terms are the individual parts that are separated by addition or subtraction.
So, the terms in this expression are 3, 7x, 3x, and x.
The coefficients are the numbers or variables that are multiplied by the variable.
In this expression, the coefficients are 7, 3, and 1.
The constants are the terms that do not have a variable attached to them.
In this expression, the constant term is 3.