Answer:
{-1, 3}
Step-by-step explanation:
Please use " ^ " to denote exponentiation: f(x) = x^2 - 2x - 3.
To find the zeros of this quadratic, set it equal to zero first:
f(x) = x^2 - 2x - 3 = 0.
Now factor this result: (x - 3)(x + 1) = 0.
The zeros are {-1, 3}
