3х-5/х²-1 - 3х+2/х²+х + 6х-5/х²-х=0

3х-5(х-1)(х+1)-3х+2/х(х+1) + 6х-5/х(х-1)=0

х(3х-5)-(х-1)(3х+2)+(х+1)*(6х-5)/х(х+1)(х-1)

3х²-5х-3х²+х+2+6х²-5х+6х-5/х(х+1)(х-1)

-3х-3+6х²/х(х+1)(х-1)=0

-3(-2х-1)(х-1)/х(х+1)(х-1)

-3(-2х-10/х(х+1)=0

6х+3/х(х+1)=0

6х+3=0

6х=-3

х = 1/2