1) x^2 + 2x - 15 = (x + 5)(x - 3)2) x^2 + 6x + 8 = (x + 4)(x + 2)3) 3x^2 + 5x - 2 = (3x - 1)(x + 2)4) 4x^2 + 13x + 3 = (4x + 1)(x + 3)
1) x^2 + 2x - 15 = (x + 5)(x - 3)
2) x^2 + 6x + 8 = (x + 4)(x + 2)
3) 3x^2 + 5x - 2 = (3x - 1)(x + 2)
4) 4x^2 + 13x + 3 = (4x + 1)(x + 3)