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Elln
@Elln
April 2019
2
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Bonjours j'ai cette exercice a faire pour demain mais je n'y arrive pas merci de votre aide
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winner123
Verified answer
Bonjour
E = (2x+7)(2x-3)
4x² -6x +14x -21
= 4x² +8x -21
G = 2(2x+7) +2(2x-3)
4x +14 +4x -6
= 8x + 8
E représente l'aire de VOUS et G son périmètre
(2x+7) = 2(2x-3)
2x +7 = 4x - 6
2x -4x = -6 -7
-2x = -13
x = 6.5
si x = 6.5, G = 52 + 8 =
60
3 votes
Thanks 1
louissandiran91
Salut,
E = (2x+7)(2x-3)
4x² -6x +14x -21
= 4x² +8x -21
G = 2(2x+7) +2(2x-3)
4x +14 +4x -6
= 8x + 8
(2x+7) = 2(2x-3)
2x +7 = 4x - 6
2x -4x = -6 -7
-2x = -13
x = 6.5
si x = 6.5, G = 52 + 8 =
60
1 votes
Thanks 1
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Pouvez vous m'aider a faire mon exercice merci ? C'est l'exercice 6 :)
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Verified answer
BonjourE = (2x+7)(2x-3)
4x² -6x +14x -21
= 4x² +8x -21
G = 2(2x+7) +2(2x-3)
4x +14 +4x -6
= 8x + 8
E représente l'aire de VOUS et G son périmètre
(2x+7) = 2(2x-3)
2x +7 = 4x - 6
2x -4x = -6 -7
-2x = -13
x = 6.5
si x = 6.5, G = 52 + 8 = 60
E = (2x+7)(2x-3)
4x² -6x +14x -21
= 4x² +8x -21
G = 2(2x+7) +2(2x-3)
4x +14 +4x -6
= 8x + 8
(2x+7) = 2(2x-3)
2x +7 = 4x - 6
2x -4x = -6 -7
-2x = -13
x = 6.5
si x = 6.5, G = 52 + 8 = 60