If f(x)=2x−4f(x) = 2x - 4f(x)=2x−4, for what value of xxx is f(x)=0f(x) = 0f(x)=0?
x=4x = 4x=4
x=2x = 2x=2
x=−2x = -2x=−2
x=0x = 0x=0