veggiebardied veggiebardied 29-09-2020 Mathematics contestada Solve by completing the square: 4x^2 - 8x - 8 = 0 a) -2 + sqt. 2, -2 - sqt.2 b) 1 + sqt. 3, 1 - sqt. 3 c) 1 + sqt. 2, 1 - sqt. 2 d) -2 + sqt. 3, -2 - sqt.3