Solve using formula.

(1) x2 + 6x + 5 = 0 Solution: (2) x2 – 3x – 2 = 0 Solution: (3) 3m2 + 2m – 7 = 0 Solution: (4) 5m2 – 4m – 2 = 0 Solution: (5) y2 + 1/3 y = 2 Solution: (6) 5×2 + 13x + 8 = 0 Solution: