For which values of xxx is 3xx2−5x+6\dfrac{3x}{x^2 - 5x + 6}x2−5x+63x undefined?
x=2x = 2x=2 or x=3x = 3x=3
x=0x = 0x=0
x=−2x = -2x=−2 or x=−3x = -3x=−3
x=5x = 5x=5