Question

X/X-2 -2=2/x-1,sendo x diferente de -2 e 1.

Answer 1

x/(x-2) -2=2/(x-1)
x/(x-2) -2x+2/(x-2) = 2/(x-1)
x-2x+2/(x-2) = 2/(x-1)
-x+2/(x-2) =2/(x-1)
(-x+2).(x-1)=2.(x-2)
-x²+x+2x-2=2x-4
-x²+x+2
x²-x-2
-b+- /b²-4ac /2
1+- /1-4.(-2) /2
1+- 3 /2
x'=2
x"=-1

^^ espero ter ajudado.