x^3 - 6x^2 + 12x + 6 == 0
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![x^3 - 6x^2 + 12x + 6 == 0](/uploads/image/z/2540755-19-5.jpg?t=x%5E3+-+6x%5E2+%2B+12x+%2B+6+%3D%3D+0)
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x^3 - 6x^2 + 12x + 6 == 0
x^3 - 6x^2 + 12x + 6 == 0
x^3 - 6x^2 + 12x + 6 == 0
方程可化为(x-2)^3=-14 开方即可解
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x^3 - 6x^2 + 12x + 6 = 0
x^3 - 6x^2 + 12x-8+14=0
(x-2)^3=-14
x-2=-2.41042264
x=-0.410142264
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