Bonjour, pouvez- vous m'aider à faire le n°13. Merci d'avance pour votre réponse.... Pergunta de ideia dehertzogmeline0095

hertzogmeline0095 @hertzogmeline0095

June 2021 1 61 Report

Bonjour, pouvez- vous m'aider à faire le n°13.
Merci d'avance pour votre réponse.

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idomohamed52

Réponse:

a.x - 1 = 2x + 1 \\ 2x - x = 1 + 1 \\ x = 2[/tex]

Explications étape par étape:

$b. \: {x}^{2} + 1 = 0 \\ {x}^{2} = - 1 \\ \sqrt{ {x}^{2} } = - \sqrt{1} \\ x = - 1$

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