(please help me! ^__^ ) consider the equation f(x) = x^2 + 13x + 42. one of the zeroes of the function is x = -6. what is the other zero? (responses: 2, -2, 3, 4, -4, 7, -7, 21, -21.) i don't know much about this topic, so if someone could help me (and preferrably leave an explanation), that'd be awesome! thank ya!! >___