Expand using FOIL: (x+4)(x−3)(x + 4)(x - 3)(x+4)(x−3).
x2+x−12x^2 + x - 12x2+x−12
x2−x−12x^2 - x - 12x2−x−12
x2+7x−12x^2 + 7x - 12x2+7x−12
x2−12x^2 - 12x2−12