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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
2/x-3 = (8/3)*x-3 // - (8/3)*x-3
2/x-((8/3)*x)-3+3 = 0
(-8/3)*x+2/x-3+3 = 0
2*x^-1-8/3*x^1 = 0
(2*x^0-8/3*x^2)/(x^1) = 0 // * x^2
x^1*(2*x^0-8/3*x^2) = 0
x^1
(-8/3)*x^2+2 = 0
(-8/3)*x^2+2 = 0
DELTA = 0^2-(2*4*(-8/3))
DELTA = 64/3
DELTA > 0
x = ((64/3)^(1/2)+0)/(2*(-8/3)) or x = (0-(64/3)^(1/2))/(2*(-8/3))
x = -3/16*(64/3)^(1/2) or x = 3/16*(64/3)^(1/2)
x in { -3/16*(64/3)^(1/2), 3/16*(64/3)^(1/2)}
x in { -3/16*(64/3)^(1/2), 3/16*(64/3)^(1/2) }
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