Question

hlo guys...solve it plz....factorise​

Answer 1

$\text{Let} \: (x+\frac{1}{x})=t\\</p><p>\implies (t^2-2)-4t+6=expression=E\\</p><p>E=t^2-4t+4\\</p><p>E=(t-2)^2\\</p><p>\text{Replace t :} \\</p><p>E=\boxed{\color{red}{(x+\frac{1}{x}-2)^2}}$