Relax

Respuesta :

X^2-x-12 = (x - 4)(x + 3)

Hope that helps.

----------------

gmany

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