140k views
4 votes
(X-4)/(x+1)-x/(x-1)=0

1 Answer

3 votes

Answer:

x = 2/3

Explanation:


(x-4)/(x+1)-(x)/(x-1)=0\\\\((x-4)(x-1)-x(x+1))/((x+1)(x-1))=0\\\\(-6x+4)/(x^2-1)=0 \quad\text{0 when the numerator is zero}\\\\x-(2)/(3)=0 \quad\text{divide by $-6$}\\\\x=(2)/(3)

User Wil Gieseler
by
3.8k points