Bonjour pouriez vs m'aider pour cet exercice de maths : On considère l'equation (E) : x³ - 7x² + 15x - 9 = 0

1. Montrez que pour tous reels x , on a : (E) <-> (x - 1) (x²- 6x +9) = 0

2. En deduire les solutions de l'equations (E).
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