4x 3 9x 2 6x 1 0 July 8, 2019 16 32 64 128 3 * 9x 1 2 7 * 6x 3 * 4x 1 0 6xy - 4y + 6 - 9x 4/(9x ^ 2 - 1) + 1/(3x ^ 2 - x) = 4/(9x ^ 2 - 6x + 1)
