<=>-x-5=\(5x^2-5\)
<=>\(5x^2-x=0 \)
<=>x=0 hoặc x=1/5
Đk:
: \(x\ne\pm1\\ \Leftrightarrow\dfrac{2\left(x-1\right)-3\left(x+1\right)}{x^2-1}=5\\ \Leftrightarrow2x-2-3x-3=5x^2-5\\ \Leftrightarrow5x^2+x=0\\ x\left(5+x\right)=0\\ \left[{}\begin{matrix}x=0\\x=-5\end{matrix}\right.\left(tmđk\right)\)