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Melanie’s bedroom floor has a width equal to 3x+ 6 and a length equal to 4x – 7. What equation represents the area of the floor?

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L = 4x-7
w = 3x+6

A = L*w
A = (4x-7)(3x+6) = 12x^2+24x+-21x+-42
A = 12x^2+3x-42

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