Question

X² +1/x²+2-2x -2/x factorize

Answer 1

x² + 1/ x² + 2 - 2x -2/x = (x+1/x)² - 2 (x+1/x) 
Let x +1/x = t
t² - 2t = t(t-2) = (x+1/x) (x+1/x-2)

Answer 2

Answer:

Step-by-step explanation:

x * x + 1 / (x * x) + 2 - 2 * x - 2 / x

let x + 1 = z

( z * z ) - 2 * z = z ( z - 2 )

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

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