10у/9у^2+ у-5/3у+2= у-3/2-3у

10y/(3y+2)(3y-2)+(y-5)/(3y+2)+(y-3)/(3y-2)=0 (3y+2)(3y-2)≠0⇒y≠2/3 U y≠-2/3 10y+(y-5)(3y-2)+(y-3)(3y+2)=0 10y+3y²-2y-15y+10+3y²+2y-9y-6=0 6y²-14y+4=0 3y²-7y+2=0 D=49-24=25 y1=(7-5)/6=1/3 y2=(7+5)/6=2