5 - 14x - 3x² - 1/(3x² + 14x - 5) ≥ 2
3x² + 14x - 5 = t
-t - 1/t ≥ 2
(t² + 2t + 1)/t ≤ 0
(t + 1)²/t ≤ 0
t = -1
3x² + 14x - 5 = -1
3x² + 14x - 4 = 0
D = 14² + 4*4*3 = 196 + 48 = 244
корни иррациональные
1/t < 0
3x² + 14x - 5 < 0
D = 14² + 4*3*5 = 196 + 60 = 256
x12 = (-14 +- 16)/6 = -5 1/3
(x + 5)(3x - 1) < 0
(-5) (1/3)
x ∈ (-5, 1/3)
целые решения -4 -3 -2 -1 0
Сумма -4 - 3 - 2 - 1 + 0 = -10
