Simplifier l'écriture de W en appliquant les règles permettant de supprimer les parenthèses. (Attention il ne faut ni changer l'ordre des termes ni réduire )

7z + 4 + (6z² - 7z + 2)

By: USER7316
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
Simplifier l'écriture de W en appliquant les règles permettant de supprimer les parenthèses. (Attention il ne faut ni changer l'ordre des termes ni réduire )

7z + 4 + (6z² - 7z + 2)
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Best Answer
(318)
*Precedees d'un signe +, on ne change pas les signes des nombres a l'interieur.
Donc :7z+4+6z²-7z+2
calcul: 7z+4+6z²-7z+2=4+6z²+2=6z²+6
on peut supprimer les 7 car il sont opposer et il ne serve pas.

Answered on 27 Agustus 2025
(54)
7z + 4 + (6z² - 7z + 2) = 7z + 4 + 6z² -7z + 2 =6z²+6
Answered on 27 Agustus 2025

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