3x 2 4x 1 9x 6x 1 resultado July 8, 2019 16 32 64 128 4/(9x ^ 2 - 1) + 1/(3x ^ 2 - x) = 4/(9x ^ 2 - 6x + 1) 3 4 - 9x = 1 6 3 x 3 = 9 -3x 9 4x 1
