abboobrouillet abboobrouillet

07-05-2015
Mathematics

contestada

how do you solve

[tex] x^{2} -8x=65[/tex]

is it [tex](x-4)^2-81 [/tex]

Respuesta :

Panoyin Panoyin

25-06-2015

      x² - 8x = 65
      x² - 8x + 16 = 65
   x² - 8x + 16 - 65 = 65 - 65
      x² - 4x - 4x + 16 - 65 = 0
x(x) - x(4) - 4(x) + 4(4) - 65 = 0
      x(x - 4) - 4(x - 4) - 65 = 0
   (x - 4)(x - 4) - 65 = 0
   (x - 4)² - 65 = 0

It is actually (x - 4)² - 65.

Answer Link

Otras preguntas

If 4 croissants costs $2.60. How much would 1 croissant cost?

Do you think it was moral for European nations to claim lands in the Americas that were already inhabited by natives???

The term integration refers to the ability to A. employ different fonts in an e-mail. B. use a variety of search engines. C. select different graphics on

suppose that a newly discovered element called centium has three isotopes that occur in nature. these are centium-200, centium-203, and centium-209. assume that

is 3v - 5=d proportional or not (please explain)

What is 135 in percentage out of 100%

What two numbers add up to 6 but multiply to 1

Please Solve 3x + 6y=27

the Arnold family arrived at the beach at 10:30 AM they spent 3 3/4 hours there what time they leave the beach?

is 3v - 5=d proportional or not (please explain)