4x 2 5x 12 6 July 8, 2019 16 32 64 128 4 6x 9 )- 4x 2 5x 12 12 3 5x 4x 2 3x 6 6x 2 5x 12 3x 2 4x 7 5x 2 6x 12 7x 2 4x 13 4x ^ 2 - 5x - 12 = 69 4x ^ 2 - 5x - 12 = 12
