Х/(х-3)-3/(х-3)²=1
(х*(х-3)-3)/(х-3)²=1
(х²-3х-3)=(х-3)²
(х²-3х-3)=х²-6х+9
х²-3х-х²+6х=3+9
3х=12
х=4
х/(х-2)-6/(х-2)²=1
(х*(х-2)-6)/(х-2)²=1
х²-2х-6=(х-2)²
х²-2х-6=х²-4х+4
х²-2х-х²+4х=4+6
2х=10
х=5
4/(х²-9)-1=(х+1)/(3-х)
4/((х-3)*(х+3))-(х+1)/(3-х)=1
4/((х-3)*(х+3))+(х+1)/(х-3)=1
(4+(х+1)*(х+3))/((х-3)*(х+3))=1
4+х²+3х+х+3=х²-9
х²+4х-х²=-3-9
4х=-12
х=-3
10/(х-5)²-1=х/(5-х)
10/(х-5)²+х/(х-5)=1
(10+х*(х-5))/(х-5)²=1
10+х²-5х=х²-10х+25
х²-5х-х²+10х=25-10
5х=15
х=з