Question

Difference between f(-2) and f(x)=0?

Answer 1

For example, if
f(x) = x - 5 then,
f(-2) = -2 - 5 = -7

f(x) = 0 implies x -5 = 0 or x = 5

Answer 2

Oh btw the equation is f(x)=3x^2-2x+6

I know what f(-2) is, I just plug that in for x. But what about the other one?

Answer 3

Wait, I didn't get that.

Answer 4

f(x)=0
means you set what f(x) is equal to to zero

Answer 5

f(x)=3x^2-2x+6
f(x) = 0 implies 3x^2-2x+6 = 0
solve the quadratic for x.

Answer 6

Ok, so something like this?:
Wait what would I do after this step?