1991davoust 1991davoust
  • 21-05-2016
  • Mathematics
contestada

please help solve x^2-2x-4=0

Respuesta :

Аноним Аноним
  • 21-05-2016
Simple....

you have [tex] x^{2} -2x-4=0[/tex]

To solve...you must complete the square...

use [tex]( \frac{b}{2} ) ^{2} [/tex] to create a new term...

x=1(+/-)[tex] \sqrt{5} [/tex]

Thus, your answer.

(Or, x≈3.23606797, -1.236067967)

Answer Link

Otras preguntas

When washing the dishes, you most likely used an animal from the _____ phylum. Porifera Cnidaria Nematoda Mollusca
which graph is a correct representation of the function f(x)=3
Geologists use _________________ to determine a rock layer's absolute age. (1 point)
5 times 5 +190 minus 215
The Union of Indochina united Vietnam, Cambodia, and under French rule.
Which sentence is correctly punctuated? a. Do you know what those letters stand for. b. Do you know what those letters stand for! c. Do you know what those let
many people migrated from the north and east to sun belt states during the 1950 because of
Which movement in the 1800s stressed the reduction or banning of consuming alcoholic beverages? A. Abolitionist movement B. Suffrage movement C.
Write 5.2 as the quotient of two integers.
Flagella biology definition