
已知x^2-5x-2004=0,求代数式[(x-2)^3-(x-1)^2+1]/(x-2)
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[(x-2)³-(x-1)²+1]/(x-2)
=(x³-6x²+12x-8-x²+2x-1+1)/(x-2)
=(x³-7x²+14x-8)/(x-2)
=x²-5x+4=2008
=(x³-6x²+12x-8-x²+2x-1+1)/(x-2)
=(x³-7x²+14x-8)/(x-2)
=x²-5x+4=2008
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