Answer:
This function returns a zero value when x is equal to negative one or negative two.
Step-by-step explanation:
We can solve this by factoring the function:
f(x) = x² + 3x + 2
= x(x + 1) + 2(x + 1)
= (x + 1)(x + 2)
So function equals zero when x = -1 or -2
