jason1556 jason1556

12-08-2018
Mathematics

contestada

x^2-4x+1=0 . RESOLVE PLS

Respuesta :

konrad509 konrad509

12-08-2018

[tex] x^2-4x+1=0\\
x^2-4x+4-3=0\\
(x-2)^2=3\\
x-2=\sqrt 3\vee x-2=-\sqrt3\\
x=2+\sqrt 3\vee x=2-\sqrt3 [/tex]

Answer Link

Otras preguntas

Compare the three types of volcanic mountains in terms of shape , type of eruption and the materials that make up volcano.

I am a number less than 3,000.when you divide me by 32,my remainder is 30.when you divide me by 58 ,my remainder is 44.What number am I?

How did the Han emperors support Confucianism

At the veterinarian's office, 4 animals out of every 5 seen were cats. A total of 35 animals were seen.a. How many cats were seen?b. The ratio of male cats seen

I really need help on geometry

how many different (non-conguerent) triangles have integer side lengths and perimeter 2014

if y=6x and x=1.5 find y

What is the name Haley in Spanish?

What is the additive inverse of 4x

Carlos is walking on a moving walkway. His speed is given by the function C(x) = 3 x 2 + 3x - 4, and the speed of the walkway is W(x) = x 2 - 4x + 7. 20.