rozwiąż nierówność 3/x < -1
3/x < - 1 x ≠ 0
3/x + 1 < 0
3/x + x/x < 0
(3 + x) / x < 0
(x + 3) * x < 0
- 3 0
odp. x ∈ (-3, 0)
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3/x < - 1 x ≠ 0
3/x + 1 < 0
3/x + x/x < 0
(3 + x) / x < 0
(x + 3) * x < 0
- 3 0
odp. x ∈ (-3, 0)