hadster66 hadster66 17-11-2020 Mathematics contestada Solve x^2 + 18x – 19 = 0 by completing the square. A) x = –1, x = 19 B) x = –9 + 10i, x = –9 – 10i C) x = –9 + , x = –9 – D) x = 1, x = –19
