Question

x³ + 2x² + x + 2;
пж​

Answer 1

Ответ:

х²*(х+2)+х+2

(х+2)*(х²+1)

Answer 2

$\displaystyle\bf\\x^{3} +2x^{2} +x+2=\Big(x^{3} +2x^{2} \Big)+\Big(x+2\Big)=x^{2} \cdot\Big(x+2\Big)+\Big(x+2\Big)=\\\\=\Big(x+2\Big)\Big(x^{2} +1\Big)$