x^3 + 9x^2 + 26x + 24= (x + 2)(x^2 + 7x + 12)= (x + 2)(x + 3)(x + 4)
x^3 + 9x^2 + 26x + 24= (x + 2)(x + 7x + 12)= (x + 2)(x + 3)(x + 4)