x+8x-9=(x+9)(x-1)x1+x2=-8 U x1*x2=-9⇒x1=-9 U x2=13x²-5x+2=3(x-2/3)(x-1)=(3x-2)(x-1)D=25-24=1x1=(5-1)/6=2/3 U x2=(5+1)/6=1--------------------------------------------1/[(x+9)(x-1)] - 1/[(3x-2)9x-1)]≥0(3x-2-x-9)/[(x+9)(x-1)(3x-2)]≥0(2x-11)/[(x+9)(x-1)(3x-2)]≥0x=5,5 x=-9 x=2/3 x=1 + _ + _ +-----------------(9)-----------------(2/3)-----------(1)---------------[5,5]--------------x∈(-∞;-9 U (2/3;1) U [5,5;∞)