Uprav výraz \frac{-40 x^{6}+16 x^{5}-8 x^{4}+48 x^{3}}{-8 x^{4}} a urči podmínky.
=5 x^{2}-2 x+1-\frac{6}{x}
=5 x^{2}+2 x+1-\frac{6}{x}
=5 x^{2}-2 x-1-\frac{6}{x}
=5 x^{2}-2 x+1+\frac{6}{x}