Samhain
Samhain
01-02-2015
Mathematics
contestada
solve the following quadratic equation (x+3)2+25=0
Respuesta :
ValyRemus
ValyRemus
01-02-2015
[tex]2\cdot(x+3)+25=0[/tex] ⇒ [tex]2x+2\cdot3=0-25[/tex]
[tex]2x+6=-25[/tex] ⇒ [tex]2x=-25-6[/tex] ⇒ [tex]2x=-31[/tex]
[tex]x= \frac{-31}{2} [/tex] ⇒ [tex]\boxed {x=-15,5}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 27+ )
Otras preguntas
calculate 650L = how many ounces
Please help step by step
Some theorists have pieced together cognitive changes in young adults and proposed a new stage of cognitive development. this stage is termed as:
Which organisms are most critical in the nitrogen cycle?
plz help T-T The lowest altitude of an altocumulus cloud is about 38 feet. The highest altitude of an altocumulus cloud is about 3 times the lowest altitude. W
Which best describes the movement through the nephron? Blood is passed into the nephron and removed through the urethra. Once waste materials exit the blood,
A variable used as a subscript should be initialized to ________. a. the number of elements in the array b. one c. zero d. two
In which congressional act did congress exercise its power to create a federal court system?
How does communication change us? Give me at least 3 reasons to support your opinion.
For waves in the ocean, the medium of the waves is _____. a. air b. water c. energy d. a passing boat