求解12x²-10xy+2y²+11x-5y+2=0
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求解12x²-10xy+2y²+11x-5y+2=0求解12x²-10xy+2y²+11x-5y+2=0求解12x²-10xy+2y²+11
求解12x²-10xy+2y²+11x-5y+2=0
求解12x²-10xy+2y²+11x-5y+2=0
求解12x²-10xy+2y²+11x-5y+2=0
12x²-10xy+2y²+11x-5y+2=0
(3x-y)(4x-2y)+3x-y+2(4x-2y)+2=0
(3x-y+2)(4x-2y+1)=0
3x-y+2=0
4x-2y+1=0
解得x=-3/2 y=-5/2