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OpenStudy (anonymous):
A square poster has sides measuring 2 feet less than the sides of a square sign. If the difference between their areas is 28 square feet, find the lengths of the sides of the poster and the sign. Can someone just set me up with an equation to solve?
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OpenStudy (anonymous):
(x*x)-(x-2)^2 =28
OpenStudy (anonymous):
Same thing; but better format x^2 - (x-2)^2=28
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