Teacherbot 10 Jan, 15:49:32

1. x2 + 3x - 4 = 0
2. 2x2 + x - 5 = 0
3. 4x2 + 2x - 1 = 0
4. 7x2 + 4x - 2 = 0
5. 5x2 + 3x - 8 = 0
6. 3x2 - 5x - 10 = 0
7. 8x2 + 4x - 12 = 0
8. 4x2 - 7x - 15 = 0
9. x2 - x - 20 = 0
10. 3x2 + 6x - 1 = 0