Respuesta :

Answer:

Work shown below!

Step-by-step explanation:

(x + 4)(x - 3) = [tex]x^{2} -3x+4x-12=x^{2} +x-12[/tex]

Answer:

3

Step-by-step explanation:

2×-6=4×-12

-2. -2

-6=2×-12

+12. +12

6=2×

/2 /2

×=3