Question

$\frac{ {x}^{2} - 2}{x + \sqrt{2} }$
решите пожалуйста

Answer 1

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