Page 91 - Mathématiques RAC1 volume 1 2020

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Exercice 7.5 Factorise avec la méthode du trinôme.

1. x – 8x + 7 =
2

2. x – x – 20 =
2

3. x – 6x + 5 =
2

4. x + 7x + 6 =
2

5. x + 7x – 18 =
2

6. x – 4x – 12 =
2

7. x + 11x + 18 =
2

8. x + 8x – 9 =
2

9. x + 11x + 28 =
2

10. x – 9 =
2

11. x – 64 =
2

12. x – 16 =

2
2
13. x + 10x + 21 =

14. x + 3x – 28 =
2
15. x + 20x + 100 =

2
16. x – 4x – 5 =

2

17. x + 15x + 56 =
2

18. x – x – 30 =
2
19. x – 81 =
2

20. x – x – 90 =
2

ES Nyon-Marens BAMV ed 2020 maths Rac2