(x^3-2)/(x 1)的商式是_____,余式是_____.

(x^3-2)/(x 1)
=(x^3 1-3)/(x 1)
=(x^3 1)/(x 1)-3/(x 1)
=(x^2-x 1)-3/(x 1)
商式x^2-x 1余式-3

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