Question 1046832
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Hi,
     *[illustration rectangle.png].
The length of a rectangle is 4 feet longer than its width {{{highlight(w)}}}
A = Lw
396ft^2 = (w + 4)w
w^2 + 4w - 396 = 0
(w+22)(w-18)
w = 18ft, L = 22ft

AND
18ft*22ft = 396 ft^2 CHECKS!