2) (x + 2)(x - 7)(x + 11) <= 0 ; 8) (x + 3) ^ 2 * (x + 2)(x + 1) > 0 .

6) x/(6 + x) <= - 1

4) (x - 7)/(x + 2) <= 0 ;

fdgtrg4gewf    3   27.04.2022 07:02    3