Respuesta :

Answer:

(x - 4)(-12x - 3)

Step-by-step explanation:

12 × 12 = 144

3 x 48 = 144

-12x^2 + 48x - 3x + 12

-12x(x - 4) -3(x - 4)

(x - 4)(-12x - 3)