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Nicolas1501
@Nicolas1501
May 2019
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Bonsoir,pouvez-vous m'aider,
Factoriser:
-3x²+42x+147
-2x²-x-1
-X²+5x+8
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Utopia01
Bonjour,
A= 3x²+42x +147.
A= 3(x²+14x+49).
A= 3(x+7)².
B= 2x²-x-1.
B= 2x²+x-2x-1.
B= x(2x+1)-(2x+1).
B= (x-1)(2x+1).
Désolé, pour le dernier je ne sais pas.
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Lista de comentários
A= 3x²+42x +147.
A= 3(x²+14x+49).
A= 3(x+7)².
B= 2x²-x-1.
B= 2x²+x-2x-1.
B= x(2x+1)-(2x+1).
B= (x-1)(2x+1).
Désolé, pour le dernier je ne sais pas.