You are building a rectangular dog pen with an area of 90ft^2.you want the length of the pen to be 3ft longer than twice its width. write an equation that can be used to find the width w of the pen

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2015-11-10 18:31:17

Let width be w. Length = 3 + w Area = 90 L*W = 90 w(3 + w) = 90 3w + w² = 90 w² + 3w - 90 = 0

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