Question

if X + 1/X =4 , then X - 1/X​

Answer 1

Answer:

x+1/x=4

4x=x+1

4x-x=1

3x=1

x=1/3

x-1/x

1/3-1/1/3

1-3/3/1/3

-2/3/1/3

-2/1

-2