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Quadratic Equation Word Problem

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A rectangle is 3 times as long as it is wide. If the width is increased by 6 feet and the length is decreased by 3 feet the area is doubled. Find the dimensions of the original rectangle.

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Solution Summary

A quadratic equation is used to find the dimensions of a rectangle. The solution is detailed and well presented.

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Let (x) feet be the width
And (3x) feet be the rectangle's length

A = length × width
= (3x) × (x)
= ...

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