[tex] \frac{ x^{2} -2x+x-2}{(x-2)(x+2)} + \frac{x+1}{x+2} =1[/tex]
[tex] \frac{x(x-2)+(x-2)}{(x-2)(x+2)} + \frac{x+1}{x+2} =1[/tex]
[tex] \frac{(x-2)(x+1)}{(x-2)(x+2)} + \frac{x+1}{x+2} =1[/tex]
[tex] \frac{x+1}{x+2}+ \frac{x+1}{x+2} =1[/tex]
2x+2=x+2
x=0