Bonjour .

J'aurais besoin d'aide pour factorise puis résoudre cette équation 25x^2= 4

Merci d'avance

By: USER6318
27 Agustus 2025 mathematiques 5 minutes
4.5
124 views 124 comments 13 shares

Question

Grade: Education Subject: mathematiques
Bonjour .

J'aurais besoin d'aide pour factorise puis résoudre cette équation 25x^2= 4

Merci d'avance
Asked by:
124 Viewed 124 Answers

Answer (124)

Best Answer
(352)

Réponse :

Bonjour

Explications étape par étape :

25x²=4

25x²-4=0

(5x)²-2²=0

On sait que a²-b²=(a+b)(a-b) (identité remarquable)

Donc (5x+2)(5x-2)=0

5x+2=0 ou 5x-2=0

5x= -2 ou 5x= 2

x= -2/5 ou x=2/5

Cette équation admet deux solutions :-2/5 et 2/5

Answered on 27 Agustus 2025

Related Articles

aratati ca amintiri din copilarie este din genul epic

53 views 53 comments

sebuah mobil dengan massa 2 ton bergerak dengan kecepatan 72 km/jam, kemudian mobil direm dengan gaya pengereman konstan sehingga dalam waktu 5 sekon kecepatannya menjadi 36 km/jam. berapakah besar gaya pengereman?

160 views 214 comments

scrie 8 cuvinte in limba engleza si scrie explicatia lor in romana
(ca si intr-un dictionar)

98 views 98 comments

BRAINLIEST FOR FASTEST!!! 99 POINTS!!! PLEASE HURRY!!! RIGHT THIS IN YOU'RE OWN WORDS!!! The checks and balances keep each branch of the government from using their job to get too powerful. ratifying the Constitution is that a strong national government is needed to protect citizens from threats. and that the Constitution should be ratified immediately to prevent damage. the Constitution does not provide enough protection for people's rights. tthere is Not enough protection for powers of state

160 views 500 comments

Într-o patiserie se fac 120 de covrigi de la ora 7 până Laura 10 .Citi covrigi sau produs până Laura 12

115 views 115 comments

determinati n apartine numerelor naturale,pentru care exista (au sens)fractiile: b)7/n-3
c)3/n-4
d)2/n+3
e)2/(n-1)(n-3)

VA ROG AJUTATIMA PT CHIAR NU LE PRICEP

160 views 188 comments

Buna! Am nevoie de un răspuns la o reclamație, cum ca un telefon nu merge .Raspuns reclamației trebuie sa fie in engleza.

122 views 122 comments

Indică valorile morfologice si sintactice ale următoarelor cuvinte din textul port:
(glasul)ei=
îl(legăna)=
îi(părea rău)=
(și)-o(întreba)=

160 views 164 comments

How can I identify the specific registry key causing 'Error 1406'?

66 views 66 comments

trăsături Dochia:nu stăpână,ci soție

36 views 36 comments

Is it safe to manually modify registry permissions to fix 'Error 1406'?

71 views 71 comments

Ea are toate sansele sa castige.
Precizati functia sintactica a cuvantului ,,toate". Va rog mult sa ma ajutati.

117 views 117 comments

What should I do if 'Error 1406' occurs during an update to an existing software application?

93 views 93 comments

What are the benefits of using Netlify and Cloudflare Pages together?

69 views 69 comments

Bonjour,

Je dois imaginer par écrit un dialogue en 10 répliques en espagnol entre un espagnol et un indien lors de la première rencontre sur l'ile de Guanahani.

Merci beaucoup pour votre aide précieuse
​

160 views 233 comments

a tour-bus operator sold $1,517 worth of tickets for a trip to Niagara Falls. Each tickets cost the same amount and could be paid for with three bills. What was the cost of a ticket

160 views 181 comments

Fie n= 10 la puterea 10 -2 la puterea 10 . Care este suma cifrelor numarului n ? Va rog repede si apropo variantele sunt 81 , 82 , 83, 84, 85

141 views 141 comments

¿Qué significa el error E1 01 en un aire acondicionado Samsung?

63 views 63 comments