4x 3 12x 9 0 July 8, 2019 16 32 64 128 X 4 4x 3 2x 2 12x 9 0 X 4 4x 3 18x 2 12x 9 0 4x 4 8x 3 17x 2 12x 9 0 Solve x 4 4x 3 2x 2 12x 9 0 4x4 + 12x3 + 9x2
