[tex][\frac{(x^{2} - 1)^{2} }{x^{4} - 2x^{2} - 3} * (x^{2} - 3) + \frac{4x^{2} }{x^{2} +1} ] : \frac{x^{3} - x^{2} + x - 1 }{x - 1} = \frac{-1}{-2x^{2} - 3} * (x^{2} - 3) + \frac{4x^{2} }{x^{2} + 1} : x^{3} - x^{2} = \frac{-1}{-2x^{2} - 3} * (x^{2} - 3) + 4 : x = \frac{-1 * (x^{2} - 3) + 4}{-2x^{2} - 3} : x = \frac{-x^{2} + 3 + 4}{- 2x^{2} - 3} : x = \frac{-1 + 3 + 4}{-2 - 1} :x = \frac{6}{-3} : x = \frac{-2} x[/tex]
mam nadzieję, że dobrze
