Please help, the answer below is a option but i need a answer for the question

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

What is the binomial expansion of (2x-3)^5