SOLUTION: If two opposite sides of a square are increase by 8 meters and the others sides are decrease by 6 meters the area of the rectangle that is firm is 72 square meters find the area

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(x+8)*(x-6) = 72.


x^2 + 2x - 48 = 72


x^2 + 2x - 120 = 0.


Solve for x, which is the value under the question.