Articles
Register
Sign In
Search
84560
@84560
May 2019
2
32
Report
Bonjour, j'ai un exercice à faire (le 44) en maths mais je n'y arrive pas. Pouvez-vous m'aider s'il vous plaît merci.
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
Liisou
D = (4x-1)²+(x+2)(4x-1)
=(4x-1)(4x-1)+(x+2)(4x-1)
=16x²+4x-4x+1+4x²-1x+8x-2
=20x²+7x-1
( questions 1 et 2 reuni)
0 votes
Thanks 0
aymanemaysae
Bonjour ;
1) D = (4x - 1)² + (x + 2)(4x - 1) = 16x² - 8x + 1 + 4x² - x + 8x - 2
= 20x² - x - 1 .
2) D = (4x - 1)² + (x + 2)(4x - 1) = (4x - 1)(4x - 1 + x + 2)
= (4x - 1)(5x + 1) .
3) (4x - 1)(5x + 1) = 0
donc : 4x - 1 = 0 ou 5x + 1 = 0
donc : 4x = 1 ou 5x = - 1
donc : x = 1/4 ou x = - 1/5
donc : S = {- 1/5 ; 1/4} .
0 votes
Thanks 0
84560
Merci beaucoup j'ai réussi grâce à toi.
More Questions From This User
See All
84560
January 2021 | 0 Respostas
Responda
84560
January 2021 | 0 Respostas
Responda
84560
June 2019 | 0 Respostas
Responda
84560
May 2019 | 0 Respostas
Responda
84560
May 2019 | 0 Respostas
Responda
84560
May 2019 | 0 Respostas
Responda
84560
May 2019 | 0 Respostas
Responda
84560
May 2019 | 0 Respostas
Responda
84560
May 2019 | 0 Respostas
Responda
84560
May 2019 | 0 Respostas
Responda
×
Report "Bonjour, j'ai un exercice à faire (le 44) en maths mais je n'y arrive pas. Pouvez-vous m'aider s'il .... Pergunta de ideia de 84560"
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
=(4x-1)(4x-1)+(x+2)(4x-1)
=16x²+4x-4x+1+4x²-1x+8x-2
=20x²+7x-1
( questions 1 et 2 reuni)
1) D = (4x - 1)² + (x + 2)(4x - 1) = 16x² - 8x + 1 + 4x² - x + 8x - 2
= 20x² - x - 1 .
2) D = (4x - 1)² + (x + 2)(4x - 1) = (4x - 1)(4x - 1 + x + 2)
= (4x - 1)(5x + 1) .
3) (4x - 1)(5x + 1) = 0
donc : 4x - 1 = 0 ou 5x + 1 = 0
donc : 4x = 1 ou 5x = - 1
donc : x = 1/4 ou x = - 1/5
donc : S = {- 1/5 ; 1/4} .