10/(х-4) + 4/(х-10)=2 |•(х-4)(х-10) 10(х-10)+4(х-4)=2(х²-14х+40) 10х-100+4х-16=2х²-28х+80 2х²-28х+80-14х+116=0 2х²-42х+196=0|:2 х²-21х+98=0 D=441-392=49; √D=7 x1=(21+7)/2=14 x2=(21-7)/2=7