1/(x-6)+4/(x+6)=3/(x-4)
(х+6 +4*(х-6) )/(x²-36)=3/(x-4)
(5х-18)/(x²-36)=3/(x-4)
(x-4)(5х-18) = (x²-36)*3
5х²-20х-18х+72 =3х²-108
2х²-38х+180=0
х²-19+90=0
D=361-360=1
x₁=(19+1)/2=10
x₂=(19-1)/2=9
1/(x-6)+4/(x+6)=3/(x-4)
(х+6 +4*(х-6) )/(x²-36)=3/(x-4)
(5х-18)/(x²-36)=3/(x-4)
(x-4)(5х-18) = (x²-36)*3
5х²-20х-18х+72 =3х²-108
2х²-38х+180=0
х²-19+90=0
D=361-360=1
x₁=(19+1)/2=10
x₂=(19-1)/2=9