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Cliique
@Cliique
April 2019
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DEMONTRER QUE /
x²-6x-7=(x-3)²-16
Pouvez vous m'aider par
ETAPES
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lechtidu56
Verified answer
(x-3)² - 16
= x² + 9 - 6x - 16
= x² - 6x - 7
Tu développes la parenthèse avec le carré (a-b)² = a² + b² - 2ab et tu réduis.
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Thanks 2
Cliique
merci determiner le signe de T (x) =x²-6x-7 Je n'arrive pas
Commentaires (1)
Bonjour,
(x - 3)² - 16
= x² - 6x + 9 - 16
= x² - 6x - 7
0 votes
Thanks 0
Cliique
merci peut tu repondre a cette question je n'arrive pas determiner le signe de T (x) =x²-6x-7
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Verified answer
(x-3)² - 16= x² + 9 - 6x - 16
= x² - 6x - 7
Tu développes la parenthèse avec le carré (a-b)² = a² + b² - 2ab et tu réduis.
(x - 3)² - 16
= x² - 6x + 9 - 16
= x² - 6x - 7