3n^2-6n+2=0

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Solution for 3n^2-6n+2=0 equation:


Simplifying
3n2 + -6n + 2 = 0

Reorder the terms:
2 + -6n + 3n2 = 0

Solving
2 + -6n + 3n2 = 0

Solving for variable 'n'.

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
0.6666666667 + -2n + n2 = 0

Move the constant term to the right:

Add '-0.6666666667' to each side of the equation.
0.6666666667 + -2n + -0.6666666667 + n2 = 0 + -0.6666666667

Reorder the terms:
0.6666666667 + -0.6666666667 + -2n + n2 = 0 + -0.6666666667

Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000
0.0000000000 + -2n + n2 = 0 + -0.6666666667
-2n + n2 = 0 + -0.6666666667

Combine like terms: 0 + -0.6666666667 = -0.6666666667
-2n + n2 = -0.6666666667

The n term is -2n.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2n + 1 + n2 = -0.6666666667 + 1

Reorder the terms:
1 + -2n + n2 = -0.6666666667 + 1

Combine like terms: -0.6666666667 + 1 = 0.3333333333
1 + -2n + n2 = 0.3333333333

Factor a perfect square on the left side:
(n + -1)(n + -1) = 0.3333333333

Calculate the square root of the right side: 0.577350269

Break this problem into two subproblems by setting 
(n + -1) equal to 0.577350269 and -0.577350269.

Subproblem 1

n + -1 = 0.577350269 Simplifying n + -1 = 0.577350269 Reorder the terms: -1 + n = 0.577350269 Solving -1 + n = 0.577350269 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + n = 0.577350269 + 1 Combine like terms: -1 + 1 = 0 0 + n = 0.577350269 + 1 n = 0.577350269 + 1 Combine like terms: 0.577350269 + 1 = 1.577350269 n = 1.577350269 Simplifying n = 1.577350269

Subproblem 2

n + -1 = -0.577350269 Simplifying n + -1 = -0.577350269 Reorder the terms: -1 + n = -0.577350269 Solving -1 + n = -0.577350269 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + n = -0.577350269 + 1 Combine like terms: -1 + 1 = 0 0 + n = -0.577350269 + 1 n = -0.577350269 + 1 Combine like terms: -0.577350269 + 1 = 0.422649731 n = 0.422649731 Simplifying n = 0.422649731

Solution

The solution to the problem is based on the solutions from the subproblems. n = {1.577350269, 0.422649731}

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