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Alphatier
@Alphatier
May 2019
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Bonjour, pouvez-vous m'aider ? Merci !
Factoriser :
T = 49t (au carré) – 35
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nini999
Verified answer
Bonjour :
T = 49t² - 35
T = 7×7t² - 7×5
_ __
Alors :
T = 7(7t² - 5)
Et si : 49t² - 25
E = 49t² - 25
E = (7t)² - 5²
(7t)² - 5² il prend la forme de a²-b² = (a-b)(a+b)
Alors :
E = (7t - 5)(7t + 5)
J’espère t'avoir t'aider
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telephone16
Factorisation
49t² -35
7 (7t² -5)
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Lista de comentários
Verified answer
Bonjour :T = 49t² - 35
T = 7×7t² - 7×5
_ __
Alors :
T = 7(7t² - 5)
Et si : 49t² - 25
E = 49t² - 25
E = (7t)² - 5²
(7t)² - 5² il prend la forme de a²-b² = (a-b)(a+b)
Alors :
E = (7t - 5)(7t + 5)
J’espère t'avoir t'aider
49t² -35
7 (7t² -5)