12. 7x? +49x + 84
14. 5x2 + 16x + 3
16. 9x² + 18x + 8
18. 2x2 + 3x - 90
20. 3x2 - 14x + 8
22. 15x2 + 2x - 8
11. 6-x-x2
13. m² +17mn - 841
15. 6x? + 17x +12
17. 14x2 + 9x + 1
19. 2x2 + 11x - 21
21. 18x2 + 3x - 10
23. 6x2 + 11x-10
25. 24x? - 41x + 12
27. 6x2 -- 5x - 21
29. 5x2 - 16x - 21
31. 15x2 - x - 28
33. 5x2 + 33xy - 14y?
24. 30x2 + 7 x - 15
26. 2x?. - 7 x - 15
28. 10x2 - 9x - 7
30. 2x2 - x - 21
32. 8a? - 27 ab + 9b2
34. 3x3 - 72-10
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kuch jyada nhi h questions
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Thanks for free points babe
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