(x + 2)²(x - 1)(2x + 3)/x(2x + 1) ≥ 0
метод интервалов
++++++++[-2]++++++[-3/2] ----------- (-1/2) +++++++ (0) ---------- [1] +++++++++
x ∈ (-∞, -3/2] U (-1/2, 0) U [1, +∞)
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(x + 2)²(x - 1)(2x + 3)/x(2x + 1) ≥ 0
метод интервалов
++++++++[-2]++++++[-3/2] ----------- (-1/2) +++++++ (0) ---------- [1] +++++++++
x ∈ (-∞, -3/2] U (-1/2, 0) U [1, +∞)