Pouvez-vous me factoriser les équations suivantes avec des identées remarquables: 1. x² = 9
2. 25x² - 1 = 0
3. (2x + 1)² - 25 = 0
4. 16x² - 81 = 0
5. (2x - 3)² - (1 - x)² = 0
6. (x - 2)² (3x - 9) = (x - 3) (4 - x²)

Merci.
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