maddison4825 maddison4825
  • 02-05-2022
  • Mathematics
contestada

Solve x² + 11x +18=0 by factoring.
A
x = 3 or x=6
B
x=-6 or x = -3
C
x = 2 or x = 9
D
x = -9 or x = -2

Respuesta :

Mirenim Mirenim
  • 02-05-2022
-(11+sqrt(121-4*18))/2 = -(11 +sqrt(49))/2 = -9

Or

-(11-sqrt(121-4*18))/2 = -(11-sqrt(49))/2 = -2

D is the answer
Answer Link

Otras preguntas

Mañana yo ___ al museo de arte.
What is the equation of the line that passes through the points (2,-1) and (6,1)?
Can you help me find the surface area? Formula- Area of base + Area of lateral faces. ❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️
Children who are not nominated by their peers either as being liked or as being disliked are categorized as
If you are good at geometry i would really appreciate it if you will help me answer my questions on my profile that i just posted. I will have more to come as w
Can anyone help please
Even though so many babies were dying, which was mostly treated due to untreated illness, the rate of births in the United States during the 1800s, was extremel
Frederick taylor popularized the idea of improving work through observation and​ analysis, known as
Luke is buying a car he will borrow $25,000 at a simple interest rate of 6% per yuear for 7 years how much interest will he pay altogether
Abigail has 5 cousins her friend suki has 3 fewer than 4 times as many cousions as abigail has write an expression for the number of cousions suki has