12x^2-16x+3=0

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Solution for 12x^2-16x+3=0 equation:


Simplifying
12x2 + -16x + 3 = 0

Reorder the terms:
3 + -16x + 12x2 = 0

Solving
3 + -16x + 12x2 = 0

Solving for variable 'x'.

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

Divide each side by '12'.
0.25 + -1.333333333x + x2 = 0

Move the constant term to the right:

Add '-0.25' to each side of the equation.
0.25 + -1.333333333x + -0.25 + x2 = 0 + -0.25

Reorder the terms:
0.25 + -0.25 + -1.333333333x + x2 = 0 + -0.25

Combine like terms: 0.25 + -0.25 = 0.00
0.00 + -1.333333333x + x2 = 0 + -0.25
-1.333333333x + x2 = 0 + -0.25

Combine like terms: 0 + -0.25 = -0.25
-1.333333333x + x2 = -0.25

The x term is -1.333333333x.  Take half its coefficient (-0.6666666665).
Square it (0.4444444442) and add it to both sides.

Add '0.4444444442' to each side of the equation.
-1.333333333x + 0.4444444442 + x2 = -0.25 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333x + x2 = -0.25 + 0.4444444442

Combine like terms: -0.25 + 0.4444444442 = 0.1944444442
0.4444444442 + -1.333333333x + x2 = 0.1944444442

Factor a perfect square on the left side:
(x + -0.6666666665)(x + -0.6666666665) = 0.1944444442

Calculate the square root of the right side: 0.440958552

Break this problem into two subproblems by setting 
(x + -0.6666666665) equal to 0.440958552 and -0.440958552.

Subproblem 1

x + -0.6666666665 = 0.440958552 Simplifying x + -0.6666666665 = 0.440958552 Reorder the terms: -0.6666666665 + x = 0.440958552 Solving -0.6666666665 + x = 0.440958552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + x = 0.440958552 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = 0.440958552 + 0.6666666665 x = 0.440958552 + 0.6666666665 Combine like terms: 0.440958552 + 0.6666666665 = 1.1076252185 x = 1.1076252185 Simplifying x = 1.1076252185

Subproblem 2

x + -0.6666666665 = -0.440958552 Simplifying x + -0.6666666665 = -0.440958552 Reorder the terms: -0.6666666665 + x = -0.440958552 Solving -0.6666666665 + x = -0.440958552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + x = -0.440958552 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = -0.440958552 + 0.6666666665 x = -0.440958552 + 0.6666666665 Combine like terms: -0.440958552 + 0.6666666665 = 0.2257081145 x = 0.2257081145 Simplifying x = 0.2257081145

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.1076252185, 0.2257081145}

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