12x+4=12x*x

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Solution for 12x+4=12x*x equation: 


Simplifying
12x + 4 = 12x * x

Reorder the terms:
4 + 12x = 12x * x

Multiply x * x
4 + 12x = 12x2

Solving
4 + 12x = 12x2

Solving for variable 'x'.

Combine like terms: 12x2 + -12x2 = 0
4 + 12x + -12x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(1 + 3x + -3x2) = 0

Ignore the factor 4.

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

Simplifying
1 + 3x + -3x2 = 0

Solving
1 + 3x + -3x2 = 0

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

Divide each side by '-3'.
-0.3333333333 + -1x + x2 = 0

Move the constant term to the right:

Add '0.3333333333' to each side of the equation.
-0.3333333333 + -1x + 0.3333333333 + x2 = 0 + 0.3333333333

Reorder the terms:
-0.3333333333 + 0.3333333333 + -1x + x2 = 0 + 0.3333333333

Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000
0.0000000000 + -1x + x2 = 0 + 0.3333333333
-1x + x2 = 0 + 0.3333333333

Combine like terms: 0 + 0.3333333333 = 0.3333333333
-1x + x2 = 0.3333333333

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 0.3333333333 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 0.3333333333 + 0.25

Combine like terms: 0.3333333333 + 0.25 = 0.5833333333
0.25 + -1x + x2 = 0.5833333333

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 0.5833333333

Calculate the square root of the right side: 0.763762616

Break this problem into two subproblems by setting 
(x + -0.5) equal to 0.763762616 and -0.763762616.


Subproblem 1
x + -0.5 = 0.763762616

Simplifying
x + -0.5 = 0.763762616

Reorder the terms:
-0.5 + x = 0.763762616

Solving
-0.5 + x = 0.763762616

Solving for variable 'x'.

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

Add '0.5' to each side of the equation.
-0.5 + 0.5 + x = 0.763762616 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + x = 0.763762616 + 0.5
x = 0.763762616 + 0.5

Combine like terms: 0.763762616 + 0.5 = 1.263762616
x = 1.263762616

Simplifying
x = 1.263762616


Subproblem 2
x + -0.5 = -0.763762616

Simplifying
x + -0.5 = -0.763762616

Reorder the terms:
-0.5 + x = -0.763762616

Solving
-0.5 + x = -0.763762616

Solving for variable 'x'.

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

Add '0.5' to each side of the equation.
-0.5 + 0.5 + x = -0.763762616 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + x = -0.763762616 + 0.5
x = -0.763762616 + 0.5

Combine like terms: -0.763762616 + 0.5 = -0.263762616
x = -0.263762616

Simplifying
x = -0.263762616


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {1.263762616, -0.263762616}
Solution
x = {1.263762616, -0.263762616}

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