ВН
Вера Невиль
1/(3-2x-x^2)-1<=0
(1-3+2x+x^2)/(3-2x-x^2)<=0
(x^2+2x-2)/(3-2x-x^2)<=0
x^2+2x-2=0
-1+-sqrt(3)
x1=-1-sqrt(3)
x2=-1+sqrt(3)
x^2+2x-3=0
x1=-3
x2=1
__________________-3__-1-sqrt(3)_________sqrt(3)-1_____1_______
f=(x^2+2x-2)/(3-2x-x^2)=f(0)<-2/3<0
(-бесконечность; -3) U [-1-sqrt(3);sqrt(3)-1] U (1; бесконечность)