vivancof2005 vivancof2005 01-02-2021 Mathematics contestada 3x2 + 4x - 8 = 0? A) x = -4 ± 4 7 B) x = - 4 ± 7 4 6 C) x = - 2 ± 2 7 3 D) x = 2 ± 2 7 3