1) x^2 - 2x - 3 = (x - 3)(x + 1)2) x^2 - 4x - 5 = (x + 1)(x - 5)3) 25x^2 - 10x - 3 = (5x - 1)(5x + 3)
1) x^2 - 2x - 3 = (x - 3)(x + 1)
2) x^2 - 4x - 5 = (x + 1)(x - 5)
3) 25x^2 - 10x - 3 = (5x - 1)(5x + 3)