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lolaguyot77
@lolaguyot77
May 2022
2
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1/ Résoudre les équations suivantes :
a/ (2x + 3) + (5x - 4) = 0
b/ (2x + 3)(5x - 4) = 0
c/ (3x - 2)2 = 0
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soushi777
Réponse:a/ 2x*2+1x+(-12)b/31x+20c/6x+(-4)a/= 2x × x + 2x × (-4) + 3 × x + 3 × (-4)=2x*2 + (-2x) + 3x + (-12) =2x*2 + 1x + (-12)b/=2x × 5x + 2x × (-4) + 3 × 5x + 3 ×(-4)=16x + (-8) + 15x + (-12)=31x + 20c/=2 × 3x + 2 × (-2)=6x + (-4)voilà.pour le dernier je ne suis pas sûr
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soushi777
2*2 = 2 au carré
lolaguyot77
mercii !
soushi777
de rien
bencarronte4
Bonjour , voici les résultats
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lolaguyot77
bonjour, mercii !
bencarronte4
Derien :) si vous avez une question n’hésitez pas
lolaguyot77
mercii bcpp c est super sympa !
lolaguyot77
bonjour, j aurai vrmt besoin d aide pour mes 3 exercices de maths..
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