Aidez moi !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

(8x+9)²

By: USER8533
26 Agustus 2025 mathematiques 5 minutes
4.5
70 views 70 comments 13 shares
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Question

Grade: Education Subject: mathematiques

Aidez moi !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

(8x+9)²

Asked by:
70 Viewed 70 Answers

Answer (70)

Best Answer
(69)
(8x+9)² = 64x² +81 +144x identité remarquable (a + b)² = a² +2ab + b²
Answered on 26 Agustus 2025
(81)
(a+b)²=a²+2ab+b²
donc
(8x+9)²
=64x²+144x+81
Answered on 26 Agustus 2025

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