Articles
Register
Sign In
Search
Maths75015
@Maths75015
April 2019
1
57
Report
Aide MATHEMATIQUES Urgent !!!!
Résoudre les équations suivantes:
a) (3x - 2)(4x + 7) = -14
b) (3x - 2)(4x + 7) = 0
c) (3x - 2)(4x + 7) = 0
d) (7x - 12)(2x + 2) - (4x + 6)(7x - 12) = 0
Merci a ceux ou celles qui m'aideront :)
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
nonotata
a) (3x - 2)(4x + 7) = -14
a = 12x² +21x -8x-14 +14 =0
a = 12x² +13x = 0
x(12x+13) = 0
soit x = 0 soit 12x+13 =0
12x = -13
x = -13/12
b) (3x - 2)(4x + 7) = 0
3x-2 =0 ou 4x+7 =0
3x =2 4x = -7
x = -2/3 x = -7/4
c) (3x - 2)(4x + 7) = 0
c est la meme que la b
d) (7x - 12)(2x + 2) - (4x + 6)(7x - 12) = 0
(7x-12)(2x+2-4x-6) =0
(7x-12)(-2x-4) = 0
7x -12 =0 -2x-4 = 0
7x =12 -2x = 4
x = 12/7 x = 4/-2 = -2
1 votes
Thanks 2
More Questions From This User
See All
maths75015
June 2021 | 0 Respostas
Responda
maths75015
June 2021 | 0 Respostas
Responda
Maths75015
April 2019 | 0 Respostas
Responda
Maths75015
April 2019 | 0 Respostas
Responda
Maths75015
April 2019 | 0 Respostas
Responda
Maths75015
April 2019 | 0 Respostas
Responda
Maths75015
April 2019 | 0 Respostas
Responda
Maths75015
April 2019 | 0 Respostas
Responda
Maths75015
April 2019 | 0 Respostas
Responda
×
Report "Aide MATHEMATIQUES Urgent !!!! Résoudre les équations suivantes: a) (3x - 2)(4x + 7) = -14 b) (3x - .... Pergunta de ideia de Maths75015"
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
a = 12x² +21x -8x-14 +14 =0
a = 12x² +13x = 0
x(12x+13) = 0
soit x = 0 soit 12x+13 =0
12x = -13
x = -13/12
b) (3x - 2)(4x + 7) = 0
3x-2 =0 ou 4x+7 =0
3x =2 4x = -7
x = -2/3 x = -7/4
c) (3x - 2)(4x + 7) = 0
c est la meme que la b
d) (7x - 12)(2x + 2) - (4x + 6)(7x - 12) = 0
(7x-12)(2x+2-4x-6) =0
(7x-12)(-2x-4) = 0
7x -12 =0 -2x-4 = 0
7x =12 -2x = 4
x = 12/7 x = 4/-2 = -2