Determine which of the following values are roots of the polynomial P(x)=x4−13x2+36P(x) = x^4 - 13x^2 + 36P(x)=x4−13x2+36.
x=2x = 2x=2
x=−2x = -2x=−2
x=3x = 3x=3
x=−3x = -3x=−3