(1⼀x+2)+(4x⼀x^2-4)+(2⼀2-x)=1
推荐回答（1个）
两边乘以(x+2)(x-2)得
x-2+4x-2x-4=x²-4
x²-3x+2=0
(x-2)(x-1)=0
∴x=2 x=1
检验：x=2是增根
∴方程的解是x=1
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