Respuesta :
Answer:
Step-by-step explanation:
The solution is attached herewith.

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