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Anissalhk
@Anissalhk
May 2019
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Pouvez vous m'aider svp je ne comprends pas
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calinizou
Verified answer
Bonjour
a:(x+7)2-14
b/ avec 2 (2+7)2-14=4
avec 6 (6+7)2-14=12
avec 150 (150+7)*2-14=300
c/on constate que le résultat =2x 2*2=4 6*2=12 150*2=300
2/ (x+7)2-14=2x
2x+14-14=2x
3: là suis pas sure (x+2)2-4=2x
* veut dire multiplier
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Anissalhk
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Je pourrais avoir de l'aide Svp je n'ai pas compris
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Est ce que cela est correct ? Merci .
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Verified answer
Bonjoura:(x+7)2-14
b/ avec 2 (2+7)2-14=4
avec 6 (6+7)2-14=12
avec 150 (150+7)*2-14=300
c/on constate que le résultat =2x 2*2=4 6*2=12 150*2=300
2/ (x+7)2-14=2x
2x+14-14=2x
3: là suis pas sure (x+2)2-4=2x
* veut dire multiplier