Question

Решите неравенство !!!!!!!!!!!!!!!! со всеми деиствиями

Answer 1

x³ - 3x² - x + 3 ≤ 0
(x³ - x) - (3x² - 3) ≤ 0
x(x² - 1) - 3(x² - 1) ≤ 0
(x² - 1)(x - 3) ≤ 0
(x - 1)(x + 1)(x - 3) ≤ 0
      -               +                 -                  +
_________________________________
            - 1              1                     3
x ∈ ( - ∞ ; - 1]∪[1 ; 3]

Answer 2

спасибоооо большое