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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
3/2-((x-5)/x) = x/5 // - x/5
3/2-((x-5)/x)-(x/5) = 0
(-1*(x-5))/x-x/5+3/2 = 0
(-1*2*5*(x-5))/(2*5*x)+(2*(-x)*x)/(2*5*x)+(3*5*x)/(2*5*x) = 0
2*(-x)*x-1*2*5*(x-5)+3*5*x = 0
15*x-2*x^2-10*x+50 = 0
5*x-2*x^2+50 = 0
5*x-2*x^2+50 = 0
5*x-2*x^2+50 = 0
DELTA = 5^2-(-2*4*50)
DELTA = 425
DELTA > 0
x = (425^(1/2)-5)/(-2*2) or x = (-425^(1/2)-5)/(-2*2)
x = (5*17^(1/2)-5)/(-4) or x = (-5*17^(1/2)-5)/(-4)
(x-((5*17^(1/2)-5)/(-4)))*(x-((-5*17^(1/2)-5)/(-4))) = 0
((x-((5*17^(1/2)-5)/(-4)))*(x-((-5*17^(1/2)-5)/(-4))))/(2*5*x) = 0
((x-((5*17^(1/2)-5)/(-4)))*(x-((-5*17^(1/2)-5)/(-4))))/(2*5*x) = 0 // * 2*5*x
(x-((5*17^(1/2)-5)/(-4)))*(x-((-5*17^(1/2)-5)/(-4))) = 0
( x-((-5*17^(1/2)-5)/(-4)) )
x-((-5*17^(1/2)-5)/(-4)) = 0 // + (-5*17^(1/2)-5)/(-4)
x = (-5*17^(1/2)-5)/(-4)
( x-((5*17^(1/2)-5)/(-4)) )
x-((5*17^(1/2)-5)/(-4)) = 0 // + (5*17^(1/2)-5)/(-4)
x = (5*17^(1/2)-5)/(-4)
x in { (-5*17^(1/2)-5)/(-4), (5*17^(1/2)-5)/(-4) }
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