найдите сумму целых решений неравенства:

(9-x^2) : (3x^2-2x-1) больше или равно 0

(9-x^2) / (3x^2-2x-1) ≥0,

(9-x^2) (3x^2-2x-1) ≥0, 3x^2-2x-1≠0,

(9-x^2) (3x^2-2x-1) ≥0,

9-x^2=0,

(3-x) (3+x) = 0,

x1=-3, x2=3,

3x^2-2x-1=0,

D1=4,

x3=-1/3, x4=1,

- (x+3) (x+1/3) (x-1) (x-3) ≥0,

(x+3) (x+1/3) (x-1) (x-3) ≤0,

x∈[-3; -1/3) U (1; 3],

-3 + (-2) + (-1) + 2+3=-1