Question

resolva : 2/ x-2-1/ x + 2 = 1/x​

Answer 1

Resposta: 2/ x-2-1/ x + 2 = 1/x​

2/x-2-1/x+2=1/x, (x diferente de 0)

2/x-1/x=1/x

2/x-1/x-1/x=0

2/x-2/x=0

0=0

X E R,x diferente de {0}