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Amandinedu13
@Amandinedu13
April 2019
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Bonjour je n'arive pas aider moi svp
1.développer puis réduire f(x)
f(x) =(2x+5)²-9x²
2. calculer
f(0)
f(2)
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xxx102
Verified answer
Bonjour,
1)On utilise l'identité remarquable (a+b)² = a²+2ab+b² :
2)On remplace x par sa valeur :
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Verified answer
Bonjour,1)On utilise l'identité remarquable (a+b)² = a²+2ab+b² :
2)On remplace x par sa valeur :