Compute xx2−1−2x+1\frac{x}{$$x^2-1$$}-\frac{2}{x+1}.

2−x(x−1)(x+1)\frac{2-x}{(x-1)(x+1)}

x−2(x−1)(x+1)\frac{x-2}{(x-1)(x+1)}

8. Rational Expressions and Equations - 2! 1부

8. Rational Expressions and Equations / Adding and Subtracting Rational Expressions with Different Denominators / 문제 9

문제 9

Compute $\frac{x}{x^{2} - 1} - \frac{2}{x + 1}$ .

$\frac{2 - x}{(x - 1) (x + 1)}$

$\frac{x - 2}{(x - 1) (x + 1)}$

$\frac{2 - x}{x + 1}$

$\frac{x - 2}{x + 1}$