résoudre cette équation : x^2 + 6x + 9 = 16

By: USER1872
27 Agustus 2025 mathematiques 5 minutes
4.5
43 views 43 comments 13 shares
Responsive Ad Header

Question

Grade: Education Subject: mathematiques
résoudre cette équation : x^2 + 6x + 9 = 16
Asked by:
43 Viewed 43 Answers

Answer (43)

Best Answer
(168)

x² + 6 x + 9  = 16

( x + 3 )²  = 16

( x + 3 )² - 16 = 0

( x + 3 - 4 ) ( x + 3 + 4 ) = 0

( x - 1 ) ( x + 7 ) = 0

x = 1 ou - 7

Answered on 27 Agustus 2025

Related Articles

un biciclist porneste din fata unei borne kilometrice si se opreste dupa 8500 m.prin fata a cate borne kilometrice  a trecut el pe bicicleta .ai socotit si borna  de plecare

160 views 173 comments

Ancaman keamanan maritim Indonesia yang bersifat nontradisional adalah

70 views 70 comments

The diminishing marginal product of labor exists when the last worker hired produces:

85 views 85 comments

gangguan pada cabang batang tenggorokan akibat infeksi
a. bronchitis
b.tuberculosis
c. influenza
d. asma

124 views 124 comments

True or false a cpt code stating separate procedure is part of a bundled code

77 views 77 comments

sepatu yang tidak mempunyai gaya gesek adalah
A)sepatu sepak bola
B)sepatu balet
C)sepatu basket
D)sepatu ski es

132 views 132 comments

Subliniati forma corecta
Ierbicid / erbicid
Filosof / filosof
Foarfece/ Foarfeca
Intinerar/intinerariu
Marfar/ Marfar
Mucenici /Măcenici
Vodca/ Votca
Vaselina/ Vasilina
Tango / tango
Metrou/ metru
Muschetar/ Musghetar
Pieptane / pieptan


160 views 328 comments

To look beyond a single case, political scientists have developed __________ that yield specific estimates of the vote share in presidential elections. the goal is to provide a general understanding of who wins and why.

160 views 219 comments

kerajaan amarta diubengi benteng kukuh arane

44 views 44 comments

Salut!
Care sunt intrebarile cazului Dativ ?!

52 views 52 comments

1. Intr-o reacție endoterma ....... (∆Hprodusi>∆Hreactanti/ ∆Hreactanti>∆Hprodusi)
2. Este un amfolit acido-bazic......... (Ba(OH)2/ Zn(OH)2)
3. Pentru o reacție de ordinul 0, viteza de reacție (crește direct proporțional cu creșterea concentrației reactantului / nu depinde de concentrația reactantului)
5. Inhibitorii micșorează viteza reacțiilor chimice, acționând asupra..... (reactanților/ catalizatorului)

La ultimul cred că e reactanților..

160 views 479 comments

Ma puteti ajuta va rog ? Calculează suma a+b+c/ știind că: 3a+3b+3c=99 990

86 views 86 comments



Jeoffrey a rempli à ras bord une bouteille en
plastique avec de l'eau liquide. Après l'avoir
bouchée, il l'a placée dans le congélateur.
Le lendemain, il observe que la bouteille
a éclaté.
Je réponds directement
■ Explique pourquoi la bouteille de Jeoffrey a éclaté.
Je suis guidé
a. Quel changement d'état s'est produit au cours de
cette expérience ?
b. Le volume reste-t-il constant au cours d'un chan-
gement d'état?
160 views 500 comments

In a short essay, discuss how the play The Crucible reflects the time in which it was written (the 1950's). Be sure to mention political, religious, social, and artistic events that shaped the work.

160 views 198 comments

Bonjour tout le monde,
Pouvez-vous m'aider a écrire les fractions sous la forme demandés

Exercice 1 :écrire la fraction sous la forme d'un entier relatif.
a.[tex] \frac{3} {4} - 4 \\ \frac{3}{4}+ \frac{1}{3} [/tex]


Exercice 2: écrire la fraction sous la forme d'une fraction irréductible
b. [tex] \frac{6}{7} -\frac{4}{7} * \frac{5}{2} [/tex]

Merci beaucoup

160 views 436 comments