X 3 2 15 0 July 8, 2019 16 32 64 128 X 3 x 2 17x 15 0 X 3 3x 2 5x 15 0 X 3 9x 2 23x 15 0 X 3 3x 2 13x 15 0 X 3 7x 2 7x 15 0 X 3 5x 2 2x 15 0 X 3 4 2 x 3 2 15 0 X 2 15 x 3 10 0 The equation x 3 3x 2 5x 15 0 has X 4 4x 3 2x 2 20x 15 0 X 4 8x 3 14x 2 8x 15 0 X 2 2x 3 2 17x 2 34x 15 0 31 15 0 3 x 2 9 X 3 2x 2 15 0 3 x 2 14 x 15 0