Area = length times width
A = (3x^2 - 4x + 6)(x - 6)
A = 3x^3 - 4x^2 + 6x - 18x^2 + 24x - 36
A = 3x^3 - 22x^2+ 30x - 36
Done!
At least they admitted this is algebra not geometry. You'll get the same question next year but they'll call it geometry.
The area is the product of the sides:
We just distribute and collect terms:
Answer: 3rd choice
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