\\ \left [ {{x_1=-2;} \atop {x_2=x_3=x_4= \frac{1}{2}.}} \right. " alt="8x^4+16x^3-x-2=0;\\
8x^3(x+2)-(x+2)=0;\\
(x+2)(8x^3-1)=0;\\
\left [ {{x+2=0;} \atop {8x^3-1=0;}} \right. \\
\left \{ {{x_1=-2;} \atop {x^3= \frac{1}{8;} }} \right. =>\\ \left [ {{x_1=-2;} \atop {x_2=x_3=x_4= \frac{1}{2}.}} \right. " align="absmiddle" class="latex-formula">
Ответ:
