find the indicated outputs for f(x)=3x^2-4x

f(0)=
f(-1)=
f(2)=

f ( 0 ) = 3 * 0 ^ 2 - 4 * 0 = 3 * 0 + 0 = 0 + 0 = 0

f ( - 1 ) = 3 * ( - 1 ) ^ 2 - 4 * ( - 1 ) = 3 * 1 + 4 = 3 + 4 = 7

f ( 2 ) = 3 * 2 ^ 2 - 4 * 2 = 3 * 4 - 4 * 2 = 12 - 8 = 4