I have brown hair and i have blond and red highlights in my hair?

and i want to no how to get it out cause i do not like the colors at allI have brown hair and i have blond and red highlights in my hair?
DYE IT PURPLE THEN WHITE THEN BROWN AGAIN it worked for meI have brown hair and i have blond and red highlights in my hair?
dye it brown again... to cover the other two colors