COLUMN A
11. 5 and 2
12.6 and -5
13.4 and 7
14. 1 and -10
15. 1 and -6

COLUMN B
A. x2 + 5x - 6 = 0
B. x2 - 11x + 28 = 0
C. x2 + 9x - 10 = 0
D. x2 + 5x - 6= 0
E. x2 - 7x + 10 = 0
F. x2-3x + 4 = 0​