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The length of a rectangle is 1ft more than twice its width, and the area of the rectangle is 28ft^2 . Find the dimensions of the rectangle.

l=
w=

2 answers

w = width
L = 2w + 1
A = Lw

28 = w(2w + 1)
28 = 2w^2 + w

Solve for w by completing the square.

4 7

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