développe puis réduis l'expression suivante: c=x(-5x-6)+(9x+8)(2x+2)

By: USER1787
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
développe puis réduis l'expression suivante: c=x(-5x-6)+(9x+8)(2x+2)
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Answer (68)

Best Answer
(86)

c=x(-5x-6)+(9x+8)(2x+2)

c= -5x²-6x +18x²+18x+16x+16

c = 13x²+28x+16

Answered on 27 Agustus 2025
(91)

c = ( -5x²-6x)+(9x²+8x)x(2x²+2x)

c = -5x²-6x+18x²+16x²

c = 29x²-6x

Answered on 27 Agustus 2025

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