12(3x^2-12x+8)=0

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Solution for 12(3x^2-12x+8)=0 equation: 


Simplifying
12(3x2 + -12x + 8) = 0

Reorder the terms:
12(8 + -12x + 3x2) = 0
(8 * 12 + -12x * 12 + 3x2 * 12) = 0
(96 + -144x + 36x2) = 0

Solving
96 + -144x + 36x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '12'.
12(8 + -12x + 3x2) = 0

Ignore the factor 12.

Subproblem 1
Set the factor '(8 + -12x + 3x2)' equal to zero and attempt to solve:

Simplifying
8 + -12x + 3x2 = 0

Solving
8 + -12x + 3x2 = 0

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

Divide each side by '3'.
2.666666667 + -4x + x2 = 0

Move the constant term to the right:

Add '-2.666666667' to each side of the equation.
2.666666667 + -4x + -2.666666667 + x2 = 0 + -2.666666667

Reorder the terms:
2.666666667 + -2.666666667 + -4x + x2 = 0 + -2.666666667

Combine like terms: 2.666666667 + -2.666666667 = 0.000000000
0.000000000 + -4x + x2 = 0 + -2.666666667
-4x + x2 = 0 + -2.666666667

Combine like terms: 0 + -2.666666667 = -2.666666667
-4x + x2 = -2.666666667

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -2.666666667 + 4

Reorder the terms:
4 + -4x + x2 = -2.666666667 + 4

Combine like terms: -2.666666667 + 4 = 1.333333333
4 + -4x + x2 = 1.333333333

Factor a perfect square on the left side:
(x + -2)(x + -2) = 1.333333333

Calculate the square root of the right side: 1.154700538

Break this problem into two subproblems by setting 
(x + -2) equal to 1.154700538 and -1.154700538.


Subproblem 1
x + -2 = 1.154700538

Simplifying
x + -2 = 1.154700538

Reorder the terms:
-2 + x = 1.154700538

Solving
-2 + x = 1.154700538

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2' to each side of the equation.
-2 + 2 + x = 1.154700538 + 2

Combine like terms: -2 + 2 = 0
0 + x = 1.154700538 + 2
x = 1.154700538 + 2

Combine like terms: 1.154700538 + 2 = 3.154700538
x = 3.154700538

Simplifying
x = 3.154700538


Subproblem 2
x + -2 = -1.154700538

Simplifying
x + -2 = -1.154700538

Reorder the terms:
-2 + x = -1.154700538

Solving
-2 + x = -1.154700538

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2' to each side of the equation.
-2 + 2 + x = -1.154700538 + 2

Combine like terms: -2 + 2 = 0
0 + x = -1.154700538 + 2
x = -1.154700538 + 2

Combine like terms: -1.154700538 + 2 = 0.845299462
x = 0.845299462

Simplifying
x = 0.845299462


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {3.154700538, 0.845299462}
Solution
x = {3.154700538, 0.845299462}

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