Divide: x2−4x−5x+3÷x−5x2−9\frac{x^2 - 4x - 5}{x + 3} \div \frac{x - 5}{x^2 - 9}x+3x2−4x−5÷x2−9x−5
(x−5)(x+3)(x-5)(x+3)(x−5)(x+3)
x+1x + 1x+1
(x+1)(x+3)(x+1)(x+3)(x+1)(x+3)
(x+1)(x+3)1\frac{(x+1)(x+3)}{1}1(x+1)(x+3)