X 1 5 1 6 0 3. X-2/X+1+5/X-1 6/x2-1. 5x+1/5x>2. X(X+1)(X+5)(X-8)>0. (X-1)^2. 2х-8/х-5+10/х2-25=х+4/х+5. Х-5/Х-8=6/7. 3 4х 5 7х 6 6х 4.7 х при х 3.6 0.8 10. -6,3х-6х-4,2=12+0,6. (-5у-1,5)(0,3у+6,3)=0. Б) -0,02x2 -6,3x =. 2х2–6х+1=0. Y=-1.5Х+3. X2 2x 3 0 решение