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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
(6*x)/x-6+2 = x-(32/x)-2 // - x-(32/x)-2
32/x-x+(6*x)/x-6+2+2 = 0
32*x^-1-1*x^1+4*x^0 = 0
(4*x^1-1*x^2+32*x^0)/(x^1) = 0 // * x^2
x^1*(4*x^1-1*x^2+32*x^0) = 0
x^1
4*x-x^2+32 = 0
4*x-x^2+32 = 0
DELTA = 4^2-(-1*4*32)
DELTA = 144
DELTA > 0
x = (144^(1/2)-4)/(-1*2) or x = (-144^(1/2)-4)/(-1*2)
x = -4 or x = 8
x in { -4, 8}
x in { -4, 8 }
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