5 x 2 )- 9x July 8, 2019 16 32 64 128 X 5 2 25 9x X 2 9x 5 0 X 2 9x 5 0 discriminant X 5 9x 2 x 1 5 x2 5 x 5 x 5 x 5 x 5 5 x 5 x 5 2 x 2 5
