Question

factorize (x2+1/x2)-4(x+1/x)+6​

Answer 1

Answer:

X^2+1/x^2=(x+1/x)^2 -2,

(x^2+1/x^2)-4(x+1/x)+6,

=(x+1/x)^2 -2-4(x+1/x)+6,

=(x+1/x)^2-2×2×(x+1/x)+2^2,

=(x+1/x -2)^2.

Answer 2

Answer:

refers to the attachment