I don't understand your question fully, try to list your full problem in the future and maybe people will be able to better help you.
Answer:
3, 7
Step-by-step explanation:
"Zeros" means solutions to the equation f(x) = 0. In other words, what are the values of x that make the function's value equal to zero?
This one can be solved by factoring.

The answer is B on edgeunity