ОДЗ:
+ - +
////////////////////////-3_________________3/////////////////////////////////////
x∈ (-∞; -3]∪[3; +∞)
- +
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\0__________________________
x∈(-∞; 0)
Общее решение: иначе x∈(-∞; -3]
ответ: x∈(-∞; -3]
ОДЗ:
![\left \{ {{x^{2} -3^2\geq 0} \atop {-x:(-1)](/tpl/images/2010/7990/073c3.png)
+ - +
////////////////////////-3_________________3/////////////////////////////////////
x∈ (-∞; -3]∪[3; +∞)
- +
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\0__________________________
x∈(-∞; 0)
Общее решение:
иначе x∈(-∞; -3]
ответ: x∈(-∞; -3]