(3x - 1)/(x^2 + x - 9)/(3x)= (3x - 1)/((x + 3)(x - 3))/(3x)= (3x - 1)/((x + 3)(x - 3))(3x)= (3x - 1)/(3x(x + 3)(x - 3))= (3x - 1)/(3x^2(x^2 - 9))= (3x - 1)/(3x^2(x + 3)(x - 3))= (3x - 1)/(3x^2(x + 3)(x - 3))
(3x - 1)/(x^2 + x - 9)/(3x)
= (3x - 1)/((x + 3)(x - 3))/(3x)
= (3x - 1)/((x + 3)(x - 3))(3x)
= (3x - 1)/(3x(x + 3)(x - 3))
= (3x - 1)/(3x^2(x^2 - 9))
= (3x - 1)/(3x^2(x + 3)(x - 3))
= (3x - 1)/(3x^2(x + 3)(x - 3))