Respuesta :
					                   I dont remember the saying for it or term but its y^2-4y-12 which changes to    (y-6)(y+2)
					                
					                
					             
					                   Here the box method 
It's way easier and not really much confused
You can use this
					                
					             It's way easier and not really much confused
You can use this
 
													 
			                   
					                  