Respuesta :

I hope this helps you
Ver imagen Аноним
HomertheGenius
4 x³ - 8 x² - 12 x = 
= 4 x ( x² - 2 x - 3 ) =
= 4 x ( x² - 3 x + x - 3 ) =
= 4 x ( x ( x - 3 ) + ( x - 3 ) ) =
= 4 x ( x - 3 ) ( x + 1 )   ( the factored form )