Hi, (12x-4)(3x+6)=0 (12x-4)=0, x = 4/12 = 1/3 (3x+6)=0, x = -6/3 = -2 roots: -2, 1/3 (12x-4)(3x+6)=0 = 36x^2 + 60x - 24 = 12(3x^2 + 5x - 2) F First terms O Outside terms 72x I Inside terms -12x L Last terms