解方程:x的平方减5x+6=0X²-5X+6=0(X-2)(X-3)=0X=2或X=3
x²-5x+6=0(x-2)(x-3)=0x-2=0x1=2x-3=0x2=3
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解: (x-2)(x-3)=0 x=2或3 望采纳