Question

Me ajudem por favor jsiojdso $\frac{x+1}{X-1} = - \frac{1}{x+1}$

Answer 1

$\frac{x+1}{x-1}$= -$\frac{1}{x+1}$
$\frac{x+1}{x-1} + \frac{1}{x+1} = 0$[
$\frac{ x^{2} + 2x +1+x-1 }{ x^{2}-1 }= 0$
x²+3x =0
x(x+3) =0
x'=0
x+3 =0
x"=-3