glittergurl0101 glittergurl0101 02-04-2015 Mathematics Answered . Determine whether the polynomial is a perfect square and if it is, factor it. n^2 – 9n + 9 is not a perfect square is a perfect square: (n + 3)^2 is a perfect square: (n – 3)^2 is a perfect square: (n – 9)^2