Find all excluded values for the expression x2+1x3−2x2−3x\frac{x^2 + 1}{x^3 - 2x^2 - 3x}x3−2x2−3xx2+1
x=0,2,3x = 0, 2, 3x=0,2,3
x=0,−1,3x = 0, -1, 3x=0,−1,3
x=−1x = -1x=−1 only
x=0,1,−3x = 0, 1, -3x=0,1,−3