Question 193467
(x-4)/(x+1)-10/(x-1)(x+1)=0 
(x^2-5x+4-10)/(x+1)(x-1)=0 
(x^2-5x+4-10)/(x+1)(x-1)=0 
(x2-5x-6)(x+1)(x-1)=0 
(x-6)(x+1)/(x+1)(x-1)=0 
(x-6)/(x-1)=0 
x-6=0 

x=6