Question

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Answer 1

$({x}^{2} + 1) \times 2 - 3 \times \frac{x + 1}{x} =$

$2 {x}^{2} + 2 - \frac{3(x + 1)}{x}$

$2 {x}^{2} + 2 - \frac{3x + 3}{x}$

$\frac{ {2x}^{3} + 2x - (3x + 3) }{x}$

$\frac{ {2x}^{3} + 2x - 3x - 3}{x}$

$\frac{ {2x}^{3} - x - 3}{x}$