2x 1 14 x 3 7 5x 1 14 July 8, 2019 16 32 64 128 7.5. 1) x ^ 2 - 14x - 32 = 0 3) - 2x ^ 2 + x + 15 =0 2) 5x ^ 2 - 12x + 7 = 0 4) 4x ^ 2 + x - 33 = 0 2 5x 14 = 1/7 30
