计算x³/(x+1)-x²+x-1的结果是()要过程,
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计算x³/(x+1)-x²+x-1的结果是()要过程,
原式=[x³-(x+1)(x²-x+1)]/(x+1)
=[x³-(x³+1)]/(x+1)
=-1/(x+1)
计算x³/(x+1)-x²+x-1的结果是()要过程,
原式=[x³-(x+1)(x²-x+1)]/(x+1)
=[x³-(x³+1)]/(x+1)
=-1/(x+1)