A room has a rectangular shape with one side that is double the size of the other. The given height is 5 meters less than the longer side. Find the expression for the volume of the room.
x = shorter side
x times 2 = longer side
2x-5 = height
volume=
x times 2x (2x-5)
2x^2 (2x-5)
4x^3-10x^2
If we know the length of only one side, we can easily calculate the volume of the room.
