解方程:(2x+2⼀x)-(x+2⼀x-2)=(x∧2-2⼀x∧2-2x)

2025-06-27 04:26:19
推荐回答(1个)
回答1:

解:
两边同乘以x(x-2)

2(x-1)(x-2)-x(x+2)=x^2-2

2(x^2-3x+2)-x^2-2x=x^2-2
2x^2-6x+4-x^2-2x=x^2-2
8x+6=0
x=-3/4