12 2x )- 4 5x 2 x 7 July 8, 2019 16 32 64 128 1 2 12 2x )- 4 5x 2 x 7 2) 5x ^ 2 - 12x + 7 = 0 4) 4x ^ 2 + x - 33 = 0 7) 5x2 - 12x + 4 0
