2x 5 x 4 12x 3 12x 2 x 2 0 July 8, 2019 16 32 64 128 2) 12x ^ 2 - 5x = 3(12 - 2x) + x 4) 9x ^ 2 - 3x = 3(12 - x) 6) 4x ^ 2 - 3x = 36 - 3x