Algebra II
posted by Olivia .
Factor: 18x^233x+9

Use the quadratic formula
and that will give you the answer 
or, note that you have
3(6x^211x+3)
that will factor into
(6x?)(x?) or (3x?)(2x?)
where the two ? are either 1 or 3
a little thought will provide the answer:
3(3x1)(2x3)