SOLUTION: I have a rectangle whose length is 3x the width. If the length and width are both decrease by 2cm the area of the rectangle is decreased by 36cm^2. I think the formula is 3x^2-8x+4
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Question 528465: I have a rectangle whose length is 3x the width. If the length and width are both decrease by 2cm the area of the rectangle is decreased by 36cm^2. I think the formula is 3x^2-8x+4. I need to know the beginning area? Answer by scott8148(6628) (Show Source):
