What are the zeros of f(x)=x^2+x-30

If you factor this equation, you get:
[tex](x + 6)(x - 5) = 0[/tex]
Now, solve both equations for x:
[tex]x + 6 = 0 \\ x = - 6[/tex]
[tex]x - 5 = 0 \\ x = 5[/tex]
Your zeros are -6 and 5