Can someone help me with these 3 equations

Question

3x3 - 2x2 + 3x - 1

the value of x is
x = 0
x = 1
x = -1

expected output is
y = -1.0
y = 3.0
y = -9.0

Answer 1

y = (3, -2.0, 3.0, -1.0)