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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
(3/2)*x-((((4/5)*x)/1)/3)-(2/x) = 0
(3/2)*x+(-4/15)*x-2*x^-1 = 0
37/30*x^1-2*x^-1 = 0
(37/30*x^2-2*x^0)/(x^1) = 0 // * x^2
x^1*(37/30*x^2-2*x^0) = 0
x^1
(37/30)*x^2-2 = 0
(37/30)*x^2-2 = 0
DELTA = 0^2-(-2*4*(37/30))
DELTA = 148/15
DELTA > 0
x = ((148/15)^(1/2)+0)/(2*(37/30)) or x = (0-(148/15)^(1/2))/(2*(37/30))
x = 15/37*(148/15)^(1/2) or x = 15/37*(148/15)^(1/2)
x in { 15/37*(148/15)^(1/2), 15/37*(148/15)^(1/2)}
x in { 15/37*(148/15)^(1/2), 15/37*(148/15)^(1/2) }
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