Respuesta :

Answer:

Step-by-step explanation:

The solution is attached herewith.

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Answer:

x = ± 8

Step-by-step explanation:

Note that

(x - [tex]\frac{1}{x}[/tex])² = x² - 2 + [tex]\frac{1}{x^2}[/tex] = 66 - 2 = 64

Take the square root of both sides

x - [tex]\frac{1}{x}[/tex] = ± [tex]\sqrt{64}[/tex] = ± 8