Don’t you mean 12 points????
They lost to San Francisco by four points. So they need five more points to win.
They lost to Tampa Bay by three points. So they need four more points to win.
They lost to the Rams by two points. So they need three more points to win.
FIVE + FOUR + THREE = 12
If they only got nine points they would have been 17-3-3.
2007 New England Patriots were four points from being 19-0.
1984 San Francisco 49ers were four points from being 19-0.
1989 San Francisco 49ers were seven points from being 19-0.