Simplify: fracx2−4x+3x2−1\\frac{x^2 - 4x + 3}{x^2 - 1}fracx2−4x+3x2−1 (assume xneqpm1x \\neq \\pm 1xneqpm1).
fracx−3x+1\\frac{x - 3}{x + 1}fracx−3x+1
fracx+3x+1\\frac{x + 3}{x + 1}fracx+3x+1
fracx−3x−1\\frac{x - 3}{x - 1}fracx−3x−1
fracx−1x+1\\frac{x-1}{x+1}fracx−1x+1