Question

X square +1/X square -3

Answer 1

This is the answer In the above attachment

Answer 2

${ x }^{ 2 }+\frac { 1 }{ { x }^{ 2 } } -3\quad =\quad { x }^{ 2 }+\frac { 1 }{ { x }^{ 2 } } -2-1\quad =\quad { (x-\frac { 1 }{ x }  })^{ 2 }-1$