abboobrouillet abboobrouillet

06-05-2015
Mathematics

Answered

how do you solve

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

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

Answer :

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

Other Questions

Which of these U.S. actions was supported by the Roosevelt Corollary to the Monroe Doctrine? a. The United States encourages equal trade in China. b. U.S. troop

Determine the potential difference between two charged parallel plates that are 0.50 cm apart and have an electric field strength of 9.0 V/cm.

Read the sentence below: The first day of my vacation was like the first day of spring: bright, cool, and colorful. Which literary device is used in this senten

An animal that relies on a digestive tract for digestion breaks down food by only extracelluar digestion only both intracelluar and extracelluar digestion or ne

The largest community impact of crime comes in what form?

You have piano lessons every fifth day and cooking lessons ever sixth day. Today you have both lessons. In how many days will you have both lessons on the same

what are some possible results of the growing sectional debate over slavery

2.7squared add 3.9squared to one decimal place

PLEASE HELP! I know this isn't a homework question but PLEASE HELP! My pet parakeet flew out of his cage because someone accidentally left it open. I have no id

Which sentence does not contain any errors in the use of italics or quotation marks? A. People whose names begin with A and B can come to this line. B. People w