4x/x-2-1=3/2-x[4x/(x-2)]-1=3/(2-x)
问题描述:
4x/x-2-1=3/2-x
[4x/(x-2)]-1=3/(2-x)
答
[4x/(x-2)]-1=3/(2-x)
[4x-(x-2)]/(x-2)=3/(2-x)
(3x+2)(2-x)=3(x-2)
6x+4-3x^2-2x=3x-6
3x^2-x-10=0
(3x+5)(x-2)=0
x=-5/3 or x=2
答
(4x-x+2)/x-2=-3/2-x
3x+2=-3
x=-3/5