因式分解(k²-1)x²-(3k-1)x+2

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因式分解(k²-1)x²-(3k-1)x+2

(k²-1)x²-(3k-1)x+2
=[(k+1)x-2]*[(k-1)x-1]

[X-(2/K+1)][X-(1/K-1)]=0