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((8*e^9*x)/3)*x-2 = 0
((8*e^9)/3)*x^2 = 2 // : (8*e^9)/3
x^2 = (3*e^-9)/4
x^2 = (3*e^-9)/4 // ^ 1/2
abs(x) = (3^(1/2)*e^(-9/2))/2
x = (3^(1/2)*e^(-9/2))/2 or x = -((3^(1/2)*e^(-9/2))/2)
x in { (3^(1/2)*e^(-9/2))/2, -((3^(1/2)*e^(-9/2))/2) }
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