题目是3/(x-1)-(x+2)/[x(x-1)]吧!以后这样写或者发图片,那人容易看清楚一点,解得x=0或x=1,带人验证的此题无正解
解:1/(X+1)=-3/(2-X)
-3(X+1)=2-X
-3X-3=2-X
-3X+X=2+3
-2X=5
X=-5/2
解:
1/(x+1) +3/(2-x)=0
1/x+1 =3/(x-2)
x-2=3(x+1)
2x=-5
x=-5/2
1/(x+1)+3/(2-x)=0
[2-x+3(x+1)]/[(x+1)(2-x)]=0
则 2-x+3x+3=0
2x=-5
x=-5/2