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D( x )
3*x = 0
3*x = 0
3*x = 0
3*x = 0 // : 3
x = 0
x in (-oo:0) U (0:+oo)
32*x-(8/(3*x)) = 10 // - 10
32*x-(8/(3*x))-10 = 0
32*x+(-8/3)*x^-1-10 = 0
32*x^1-8/3*x^-1-10*x^0 = 0
(32*x^2-10*x^1-8/3*x^0)/(x^1) = 0 // * x^2
x^1*(32*x^2-10*x^1-8/3*x^0) = 0
x^1
32*x^2-10*x-8/3 = 0
32*x^2-10*x-8/3 = 0
DELTA = (-10)^2-(4*32*(-8/3))
DELTA = 1324/3
DELTA > 0
x = ((1324/3)^(1/2)+10)/(2*32) or x = (10-(1324/3)^(1/2))/(2*32)
x = ((1324/3)^(1/2)+10)/64 or x = (10-(1324/3)^(1/2))/64
x in { (10-(1324/3)^(1/2))/64, ((1324/3)^(1/2)+10)/64}
x in { (10-(1324/3)^(1/2))/64, ((1324/3)^(1/2)+10)/64 }
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