Rational Roots

Find all possible rational roots of the polynomials

1. $$6x^3-25x^2+23x-6 = 0$$
2. $$4x^3-8x^2-3x+9 = 0$$
3. $$6x^3-23x^2-5x+4 = 0$$

Find the roots

1. $$6x^3-25x^2+23x-6 = 0$$

Check solutions here.