ka6D2enacrockdar ka6D2enacrockdar

02-03-2017
Mathematics

contestada

Solve for x by completing the square:

x^2+10x+9=0

x = 1, x = 9
x = - 1, x = - 9
x = 11, x = - 21
x = - 11, x = 21

Respuesta :

Аноним Аноним

03-03-2017

x^2 + 10x = -9
(x+5)^2 - 25 = -9
(x+5)^2 = 16
x+5 = +/- 4
x = -1 , x = -9

Answer Link

Otras preguntas

what is the surface area of a rectangular prim 3mm,9mm 13mm

1.) How are Hindu and Buddhist beliefs similar? a.) Nirvana is a Buddhist belief in freeing the soul from the cycle of reincarnation, which is a Hindu belief

What is the average velocity of wind within a storm?

\log_{4} x + \log_{4} (x+5) = 6

The stipulation requiring that accused persons be told they have "the right to remain silent" stems from A. the Monroe Doctrine. B. Marbury v. Arizona. C. the P

why were abolitionist opposed to how cotton was produced in the south

How do Crocodiles See, Hear, and Smell?

How many times does 41 go into 1,649

Diana received 65 points on a project for school. She can make changes and receive three-tenths of the missing points back.She can do this ten times. Create the

Monica has a triangular piece of fabric the height of the triangle is 15 inches and the triangles base is 6 inches Monica says that the area of the fabric is 90