解:原方程变形,两边同时乘以x²-5x+6,得:5(x-2)/(x+2)-6(x-3)=4方程两边再乘以x+2,得:5(x-2)-6(x-3)(x+2)=4(x+2)5x-10-6x²+6x+36=4x+86x²-7x-18=0▲=b²-4ac=(-7)²-4×6×(-18)=481∴x1=(7+√481)/2×6≈2.41 x2=(7-√481)/2x6≈-1.25