i used synthetic division.
what i'm trying to say is that isn't there a rule where:
(x - numerator/denominator)
can be rewritten as: (denominator times x - numerator)
(x - 1/4) ; (4x - 1)
(x - 2/5) ; (5x - 2)
(x - 1/3) ; (3x - 1)
and why was it multiplied to (x - 1/3) and not (x - 1)?