Asked by Austin
A square is altered so that one dimension is increased by 4 inches, while the other dimension is decreased by 2. The area of the resulting rectangle is 55 square inches. Find the area of the orginial square
Answers
Answered by
R_scott
(s + 4) (s - 2) = 55 ... s^2 - 2s - 63 = 0
solve for s (factoring or quadratic formula)
s^2 is the area you seek
solve for s (factoring or quadratic formula)
s^2 is the area you seek
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