Question
Factorise:
$x^2+\frac{1}{x^2}-2-3 x+\frac{3}{x}$
$x^2+\frac{1}{x^2}-2-3 x+\frac{3}{x}$
✓
Answer
$\left(x-\frac{1}{x}\right)\left(x-\frac{1}{x}-3\right)$
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