Simplify: x2−x−6x2+4x+3\frac{x^2 - x - 6}{x^2 + 4x + 3}x2+4x+3x2−x−6 for appropriate values.
x−2x+1\frac{x-2}{x+1}x+1x−2
x−2x+3\frac{x-2}{x+3}x+3x−2
x−3x+1\frac{x-3}{x+1}x+1x−3
x+2x+1\frac{x+2}{x+1}x+1x+2