Prévia do material em texto
1. -2x^2 + -7x + -6 = 0 2. -2x^2 + 0x + 4 = 0 3. -9x^2 + 0x + -9 = 0 4. 2x^2 + 10x + 1 = 0 5. 2x^2 + 1x + 10 = 0 6. 1x^2 + 5x + 5 = 0 7. 9x^2 + 8x + 9 = 0 8. 4x^2 + 4x + 10 = 0 9. -8x^2 + 4x + -1 = 0 10. -10x^2 + -7x + -7 = 0 11. -8x^2 + 10x + 5 = 0 12. -4x^2 + 0x + 4 = 0 13. 9x^2 + 0x + -6 = 0 14. -5x^2 + -3x + 9 = 0 15. -7x^2 + -6x + 6 = 0 16. 8x^2 + -3x + 1 = 0 17. -8x^2 + -9x + 10 = 0 18. 8x^2 + 3x + -8 = 0 19. -9x^2 + 8x + -3 = 0 20. 9x^2 + -2x + -2 = 0