bonjour pouvez-vous m aider svp

démontrer que A=B
A= (3x+4)(5x-2)-(20x-12)
B= 4-3x(2-5x)

merci d avance

By: USER9946
28 Agustus 2025 mathematiques 5 minutes
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145 views 145 comments 13 shares
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Question

Grade: Education Subject: mathematiques
bonjour pouvez-vous m aider svp

démontrer que A=B
A= (3x+4)(5x-2)-(20x-12)
B= 4-3x(2-5x)

merci d avance
Asked by:
145 Viewed 145 Answers
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Answer (145)

Best Answer
(92)
15 x² - 6 x + 20 x - 8 - 20 x + 12 = 4 - 6 x + 15 x²
15 x² - 6 x + 4 = 15 x² - 6 x  + 4
Answered on 28 Agustus 2025
(164)
A=15x^2 - 6x + 20x - 8 - 20x + 1 A=15x^2 - 6x + 4. On met -3x en facteur entre (15x^2 - 6x) on aura -3x(2 - 5x) en somme A devient A=4 - 3x(2 - 5x) est égale à B
Answered on 28 Agustus 2025

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