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31-12-2017
Mathematics

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the length of a rectangle is 3 inches greater than the width write a polynomial that represents the area of the rectangle

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tynollette tynollette

31-12-2017

suppose the length is x, the width is then (x-3), the area is x(x-3)
expand it: x²-3x, which is the polynomial you are looking for.

or you can suppose the width is x, the length is then (x+3), the polynomial is x²+3x

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