Respuesta :

Answer:

n^2-3n-18 = (n-6)(n+3)        , -3x^2+15x-12 = -3(x-4)(x-1)

Step-by-step explanation:

Answer:

1. (n - 6)(n + 3)

2. -3 (x - 4) (x - 1)

Step-by-step explanation: