Question: 7. 4x2 + 8x + 7 = 4 8. 2x2 - 7m - 13 = -10 9. 2x2 - 3x - 15 = 5 10.

7. 4x2 + 8x + 7 = 4 8. 2x2 - 7m - 13 = -10 9. 2x2 - 3x - 15 = 5 10. x2 + 2x - 1 = 2 12. 2x2 - 36 = X 11. 2x2 + 9x = -7
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