The area of the lot of land is given by length * width, or 8x * 12x = 96x^2
The area of the stadium is given by length * width, or 3x * 6x = 18x^2
The area of the parking lot left will be the difference between the area of the lot and the area of the stadium, or 96x^2 - 18x^2 = 78x^2. Answer: \boxed{78x^2}.
A sports team is building a new stadium on a rectangular lot of land. The lot measures 8x by 12x and the stadium will be 3x by 6x. How much land will be left for the parking lot?
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