Question

解方程：x+2分之x-2 -1=x方-4分之3

Answer 1

(x-2)/(x+2)-1=3/(x²-4)

[(x-2)-(x+2)]/(x+2)=3/[(x-2)(x+2)]

-4/(x+2)=3/[(x-2)(x+2)]

-4(x-2)=3

x=-5/4

代入原方程验证得：x=-5/4是原方程的根.