Find the indicated outputs for f(x)= 5x^2-2x

The 2 after the ^ is an exponent.

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

These are simple calculations you should do yourself. Substitute the number in () in place of x and perform the calculation.

For x = -1, for example,
5*(-1)^2 -2*(-1) = 5 + 2 = ?