The length of of the side of a square is increased by x%then the area of the square increased by 44% find the value of x
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44 = 2x+(x²/100)
4400 = 200x +x²
x²+200x -4400 = 0
x²+220x-20x -4400 = 0
x(x+220) -20(x+220) = 0
(x+220)(x-20) = 0
x = 20 (Ans)
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