Uprav výraz \( \frac{-40 x^{6}+16 x^{5}-8 x^{4}+48 x^{3}}{-8 x^{4}} \) a urč podmienky.
\( =5 x^{2}-2 x+1-\frac{6}{x} \)
\( =5 x^{2}-2 x+2-\frac{6}{x} \)
\( =5 x^{3}-2 x+1-\frac{6}{x} \)
\( =5 x^{2}-2 x+1-\frac{5}{x} \)