vous pouvez m'aider a résoudre x²+x-2=0

By: USER4584
26 Agustus 2025 mathematiques 5 minutes
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Grade: Education Subject: mathematiques
vous pouvez m'aider a résoudre x²+x-2=0
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Best Answer
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Hello !

Résoudre : x²+x-2 = 0

→ On peut factoriser :

→ (x-1)(x+2)=0

Produit de facteurs nuls :

• Soit (x-1) = 0

x-1 = 0

x = 1

• Soit (x+2) = 0

x+2 =0

x = -2

Les solutions sont S = {-2 ; 1}

Bonne soirée !

Answered on 26 Agustus 2025

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