x(x-2)(x^2-2x-2)-3 yin shi fen jie

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x(x-2)(x^2-2x-2)-3yinshifenjiex(x-2)(x^2-2x-2)-3yinshifenjiex(x-2)(x^2-2x-2)-3yinshifenjie=(x²-

x(x-2)(x^2-2x-2)-3 yin shi fen jie
x(x-2)(x^2-2x-2)-3 yin shi fen jie

x(x-2)(x^2-2x-2)-3 yin shi fen jie
=(x²-2x)(x²-2x-2)-3
=(x²-2x)²-2(x²-2x)-3
=(x²-2x+1)(x²-2x-3)
=(x-1)²(x-3)(x+1)