Respuesta :

Answer:

your answer is x^2 - x - 12

Answer:

x ^ 2 - x - 12

Step-by-step explanation:

(x + 3)(x -4)

xx + x(-4) + 3x + 3(-4)

xx - 4x + 3x - 3 x 4

Simplify: xx - 4x + 3x - 3 x 4

Answer: x ^ 2 - x - 12