bjr,il faut développer réduire et ordonner (7-8x)(4+2x) merci davance

By: USER3213
25 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
bjr,il faut développer réduire et ordonner (7-8x)(4+2x) merci davance
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Answer (69)

Best Answer
(68)
(7-8x)(4+2x)= 28+14x-32x-16x^2=16x^2-18x+28
Answered on 25 Agustus 2025
(178)
Bonjour
voilà la réponse
(7-8x)(4+2x)
= 7*4+7*2x-8x*4-8x*2x
= 28+14x-32x-16x²
= 28+(-18x)-16x²
= -16x²-18x+28
Voilà ^^

Answered on 25 Agustus 2025

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