Question

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Answer 1

Step-by-step explanation:

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Answer 2

${x}^{2} + \frac{1}{ {x}^{2} } + 2 - 2x - \frac{2}{x}$

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

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

$= > (x + \frac{1}{x} )(x + \frac{1}{x} - 2)$