Respuesta :

So you use the method FOIL
Front
Out
Inside
Last
So it would be
X^2-4x+3x-1
X^2-1x-1
So i think it’s -x
62808942

Answer:

-x

Step-by-step explanation:

(x+3)(x-4)

x^2-4x+3x-12

x^2-x-12

-x