Question

Дам 50 балов
2x^4+x^3-5x^2-x+1/x^2 - x

Answer 1

$2x {}^{4} + x {} {}^{3} - 5x {}^{2} - x + \frac{1}{x} {}^{2} - x$

$2x {}^{4} + x {}^{3} - 5x {}^{2} - 2x + \frac{1}{x {}^{2} }$

$\frac{2x {}^{6} + x {}^{5} - 5x {}^{4} - 2x {}^{3} + 1}{x {}^{2} }$