Question

4x-2x-2/x2-1
Срочно пожалуйста

Answer 1

Ответ:

$4x - 2x - \frac{2}{x {}^{2} } - 1 = 2x - \frac{2}{ {}^{x {}^{2} } } - 1 = \frac{2x {}^{3} - 2 - x {}^{2} }{x {}^{2} } = \frac{2x {}^{3} - x {}^{2} - 2}{x {}^{2} }$