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X9nico
@X9nico
May 2019
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Salut, quelqu'un peut m'aider pour ce calcul svp ? (faut développer le plus possible)
(4x - 3) - ((-2) + x)
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manu50
Verified answer
(4x-3)-((-2)+x)
On enlève les parenthèse
4x-3+2-x
puis on reduit
3x-1
1 votes
Thanks 0
nguyenso9
Verified answer
Bonjour,
Tu as un signe negatif devant la 2e parenthese. Tu dois donc prendre l'opposé de chaque nombre. L'opposé de -2 est 2 et celui de x est -x
Donc - (-2 + x) = 2 - x
(4x - 3) - ((-2) + x)
= 4x - 3 - (-2 + x)
= 4x - 3 + 2 - x
= 3x - 1
1 votes
Thanks 0
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Verified answer
(4x-3)-((-2)+x)On enlève les parenthèse
4x-3+2-x
puis on reduit
3x-1
Verified answer
Bonjour,Tu as un signe negatif devant la 2e parenthese. Tu dois donc prendre l'opposé de chaque nombre. L'opposé de -2 est 2 et celui de x est -x
Donc - (-2 + x) = 2 - x
(4x - 3) - ((-2) + x)
= 4x - 3 - (-2 + x)
= 4x - 3 + 2 - x
= 3x - 1