已知x²-5x-2004=0,求代数式(x-2)³-(x-1)²+1/(x-2)的值

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已知x²-5x-2004=0,求代数式(x-2)³-(x-1)²+1/(x-2)的值

已知x²-5x-2004=0,求代数式(x-2)³-(x-1)²+1/(x-2)的值
已知x²-5x-2004=0,求代数式(x-2)³-(x-1)²+1/(x-2)的值

已知x²-5x-2004=0,求代数式(x-2)³-(x-1)²+1/(x-2)的值
x²-5x-2004=0
x²-5x=2004
(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
=2004+4
=2008