化简 x²-1/3x+3-x-1/2
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化简x²-1/3x+3-x-1/2化简x²-1/3x+3-x-1/2化简x²-1/3x+3-x-1/2原式=(x+1)(x-1)/3(x+1)-(x-1)/2=(x-1)
化简 x²-1/3x+3-x-1/2
化简 x²-1/3x+3-x-1/2
化简 x²-1/3x+3-x-1/2
原式=(x+1)(x-1)/3(x+1)-(x-1)/2
=(x-1)/3-(x-1)/2
=-(x-1)/6
通分之后可得6X3-2+6X-2X2-6X,
3x3-x2-1=0
x2(3x-1)=1
x2=1或3x-1=1