A rectangular gym has an area of 4x^2 ft². The school decides to add a new weight room. The total area of the gym and the weight room is (4x² + 520) ft². What does the constant term represent in terms of this problem?

For this case the new area is the sum of two areas:
 Area = rectangular gym + weight room
 Area = (4x² + 520) ft²
 In addition, we know that
 rectangular gym = 4x ^ 2 ft²
 Therefore, the term 520 represents a new weight room
 answer
 The constant term represent a new weight room