Respuesta :

Answer:

x=3, x=-1

Step-by-step explanation:

Finding zeros of a function means plugging in 0 for f(x).

You'll get 0=x^2-2x-3.

Then solve by plugging in equation into quadratic formula: -b±√b^2-4ac/2a

Simplify and you'll get x=3, x=-1.

Hope this helped.