Use the Rational Root Theorem to find all rational roots of x3−2x2−5x+6x^3 - 2x^2 - 5x + 6x3−2x2−5x+6.
x=−3,−1,2x = -3, -1, 2x=−3,−1,2
x=3,−2,1x = 3, -2, 1x=3,−2,1
x=−1,2,3x = -1, 2, 3x=−1,2,3
x=1,2,−3x = 1, 2, -3x=1,2,−3