Articles
Register
Sign In
Search
Charlottez17
@Charlottez17
May 2019
2
84
Report
Bonjour pouvez vous m'aider je dois factoriser
A= 4x² + 36x + 81
B= 9x² -16
Merci d'avance!
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms and service
You must agree before submitting.
Send
Lista de comentários
trudelmichel
Verified answer
Bonjour,
A=4x²+36x+81
remarque
4x²=(2x)²
81=9²
36x=2(2x*9)
d'où
A=(2x+9)²
B=-x²-16
remarque
9x²=(3x)²
16=4²
B=(3x)²-4²
B=(3x+4)(3x-4)
2 votes
Thanks 2
Quantum
Verified answer
Bonjour,
Identité remarquable :
a² + 2ab + b² = ( a+b )²
a² - b² = ( a+b )( a-b )
A) On remarque :
A = (2x)² + 2 × 2x × 9 + 9²
Tu conclus
B) On remarque :
B = (3x)² - 4²
Tu conclus
0 votes
Thanks 0
More Questions From This User
See All
charlottez17
January 2021 | 0 Respostas
Bonjour j'ai besoin d'aide pour le 2 de mon exercice, pouvez vous m'aider ?Merci d'avance.
Responda
charlottez17
January 2021 | 0 Respostas
Responda
charlottez17
January 2021 | 0 Respostas
Responda
charlottez17
January 2021 | 0 Respostas
Responda
charlottez17
January 2021 | 0 Respostas
Responda
charlottez17
January 2021 | 0 Respostas
Responda
charlottez17
January 2021 | 0 Respostas
Responda
Charlottez17
April 2020 | 0 Respostas
Responda
Charlottez17
May 2019 | 0 Respostas
Responda
Charlottez17
May 2019 | 0 Respostas
Responda
×
Report "Bonjour pouvez vous m'aider je dois factoriser A= 4x² + 36x + 81 B= 9x² -16 Merci d'avance!.... Pergunta de ideia de Charlottez17"
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
Sobre nós
Política de Privacidade
Termos e Condições
direito autoral
Contate-Nos
Helpful Social
Get monthly updates
Submit
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Verified answer
Bonjour,A=4x²+36x+81
remarque
4x²=(2x)²
81=9²
36x=2(2x*9)
d'où
A=(2x+9)²
B=-x²-16
remarque
9x²=(3x)²
16=4²
B=(3x)²-4²
B=(3x+4)(3x-4)
Verified answer
Bonjour,Identité remarquable :
a² + 2ab + b² = ( a+b )²
a² - b² = ( a+b )( a-b )
A) On remarque :
A = (2x)² + 2 × 2x × 9 + 9²
Tu conclus
B) On remarque :
B = (3x)² - 4²
Tu conclus