方程x^3-5*x^2+8*x-4=0化简

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方程x^3-5*x^2+8*x-4=0化简
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方程x^3-5*x^2+8*x-4=0化简
方程x^3-5*x^2+8*x-4=0化简

方程x^3-5*x^2+8*x-4=0化简
x³ - 5x² + 8x - 4 = 0
( x³ - x² ) - (4x² - 4x) + (4x - 4) = 0
x²(x-1) - 4x(x-1) +4(x-1) = 0
(x-1)(x² - 4x+4) = 0
(x-1)(x - 2)² = 0
x=1 或 x=2