Question

if x+1/x= 4 then x-1/x​

Answer 1

We have,

$\frac{x + 1}{x} = 4 \\ = > x + 1 = 4x \\ = > - 3x = - 1 \\ = > x = \frac{1}{3}$

Then,

$\frac{x - 1}{x} \\ = \frac{ \frac{1}{3} - 1 }{ \frac{1}{3} } \\ = \frac{ \frac{ - 2}{3} }{ \frac{1}{3} } \\ = - 2$

HOPE THIS COULD HELP!!!