{1-x>0⇒x<1{(3+5x/3)/(3+6x)≥0⇒3+5x/3=0 5x/3=-3 x=-1,83+6x=0 6x=-3 x=-2 + _ +----------------(-2)----------------[-1,8]-----------x<-2 U x≥-1,8{(3+5x/3)/(3+6x)≤(1-x)²(9+5x)/(9+18x)-(1-2x+x²)≤0(9+5x-9+18x-9x²-18x+36x²-18x³)/(9+18x)≤0(18x³+27x²-5x)/(9+18x)≥0x(18x²+7x-5)/(9+18x)≥0x=018x²+27x-5=0D=729+360=1089x1=(-27-33)/36=-5/3x2=(-27+33)/36=1/69+18x=018x=-9x=-0,5 + _ + _ +---------------[-5/3]------------(-0,5)--------[0]-------------[1/6]----------------x≤-5/3 U -0,5<x≤0 U x≥1/6Общее x∈[-1,8;-5/3] U (-0,5;;0] U [1/6;1]