15x² - x = 2 Get 0 on the right by adding -2 to both sides 15x² - x - 2 = 0 Factor the left side: (5x - 2)(3x + 1) = 0 Use the zero factor property: 5x - 2 = 0; 3x + 1 = 0 5x = 2; 3x = -1 x = ; x = Edwin