SOLUTION: solve the equation by completing the square. (3x)square -6x-1 = 0

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: solve the equation by completing the square. (3x)square -6x-1 = 0      Log On


   

Question 45430: solve the equation by completing the square.
(3x)square -6x-1 = 0
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
3x^2 - 6x - 1 = 0
3x^2 - 6x = 1
x^2 - 2x = 1/3
(x - 1)^2 = 4/3
x - 1 = +- 2sqrt(3)/3
x = 1 +- 2sqrt(3)/3