36. Решите уравнение: 1) х2 – 5х – 12 = 6; 3) х2 + 8x = -16 – 2x; 2) х2 – 5х – 4 = 10; 4) х2 + х – 2 = 2 – 2x; 6) 9x - x2 = 6 + 2x; 8) x — 2х2 + 7 = -1 – 5x; 5) -х2 + 3х – 12 = — 4x; 7) - x2 + 5х = 18 — 6x; 9) 2x - 3x2 + 8 = -1 - 6x.
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