What are the zeros of the following quadratic equation and how do you know? x^2+x-6=0
A. The zeros are (-2,3). I know these are my zeros because they are the x-intercepts.

B. The zeros are (-2,3). I know these are my zeros because I typed the quadratic into poly solve.

C. The zeros are x=2 and x= -3. I know these are my zeros because they are the x-intercepts.

D. The zeros are x=2 and x= -3. I know these are my zeros because I typed the quadratic into poly solve.