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KoopaMeuh
@KoopaMeuh
June 2021
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Bonjour, je suis en 3ème et j'ai ce Dm de maths à rendre pour la rentrée et je n'arrive pas à faire l'exercice 1 :/
merci de m'aider!
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winner123
Verified answer
Bonsoir
1) p = x² + 2 x + 12 x + 24
p = x² + 14 x +24
2) q = ( x + 7 + 5) ( x + 7 - 5)
q = ( x + 12) ( x + 2)
3) AC² = ( x +7 )² - 5²
AC² = x² + 14 x + 49 - 25
AC² = x² + 14 x + 24
150 + 150 = 300
150² = 22 500
157 x 157 = 24 649
leur produit a augmenté de 2 149
1 votes
Thanks 1
KoopaMeuh
merci beaucoup!
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Verified answer
Bonsoir1) p = x² + 2 x + 12 x + 24
p = x² + 14 x +24
2) q = ( x + 7 + 5) ( x + 7 - 5)
q = ( x + 12) ( x + 2)
3) AC² = ( x +7 )² - 5²
AC² = x² + 14 x + 49 - 25
AC² = x² + 14 x + 24
150 + 150 = 300
150² = 22 500
157 x 157 = 24 649
leur produit a augmenté de 2 149