(38) More examples of factoring quadratics with a leading coefficient of 1 | Algebra II | Khan Academy

Example 1: x² + 5x + 6 = (x + 2)(x + 3)

Example 2: x² - 7x + 10 = (x - 2)(x - 5)

Example 3: x² + 3x - 4 = (x + 4)(x - 1)

Example 4: x² - 4x - 12 = (x - 6)(x + 2)