1. x2 - 3x + 2 = 0 13. x2 - 8x +1 2 = 0 2. x2 - 4x + 3 = 0 14. x2 - 7x + 12 = 0 3. x2 - 5x + 4 = 0 15. x2 - 25x + 4 = 0 4. x2 - 6x + 5 = 0 16. x2 - 3x + 2 = 0 5. x2 - 7x + 6 = 0 17. x2 - 11x + 24 = 0 6. x2 - 5x + 6 = 0 18. x2 - 10x + 24 = 0 7. x2 - 8x + 7 = 0 19. x2 - 13x + 36 = 0 8. x2 - 9x + 8 = 0 20. x2 - 16x + 48 = 0 9. x2 - 6x + 8 = 0 21. x2 - 17x + 52 = 0 10. x2 - 11x + 10 = 0 22. x2 - 27x + 72 = 0 11. x2 - 7x + 10 = 0 23. x2 - 17x + 60 = 0 12. x2 - 13x + 12 = 0 24. x2 - 13x + 42 = 0 25. x2 - 11x + 28 = 0