4/(х-4) - (1-3х)/(2-х) = 8/(x^2-6х+8)
4/(x-4)+(1-3x)(x-2)=8/(x-4)(x-2) x≠4:x≠2 4(x-2)+(1-3x)(x-4)=8 4x-8+x-4-3x²+12x-8=0 3x²-17x+20=0 D=289-240=49 x1=(17-7)/6=5/3 x2=(17+7)/6=4 не удов усл