6x=x^2-12x+2

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Solution for 6x=x^2-12x+2 equation:


Simplifying
6x = x2 + -12x + 2

Reorder the terms:
6x = 2 + -12x + x2

Solving
6x = 2 + -12x + x2

Solving for variable 'x'.

Reorder the terms:
-2 + 6x + 12x + -1x2 = 2 + -12x + x2 + -2 + 12x + -1x2

Combine like terms: 6x + 12x = 18x
-2 + 18x + -1x2 = 2 + -12x + x2 + -2 + 12x + -1x2

Reorder the terms:
-2 + 18x + -1x2 = 2 + -2 + -12x + 12x + x2 + -1x2

Combine like terms: 2 + -2 = 0
-2 + 18x + -1x2 = 0 + -12x + 12x + x2 + -1x2
-2 + 18x + -1x2 = -12x + 12x + x2 + -1x2

Combine like terms: -12x + 12x = 0
-2 + 18x + -1x2 = 0 + x2 + -1x2
-2 + 18x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-2 + 18x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
2 + -18x + x2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -18x + -2 + x2 = 0 + -2

Reorder the terms:
2 + -2 + -18x + x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -18x + x2 = 0 + -2
-18x + x2 = 0 + -2

Combine like terms: 0 + -2 = -2
-18x + x2 = -2

The x term is -18x.  Take half its coefficient (-9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
-18x + 81 + x2 = -2 + 81

Reorder the terms:
81 + -18x + x2 = -2 + 81

Combine like terms: -2 + 81 = 79
81 + -18x + x2 = 79

Factor a perfect square on the left side:
(x + -9)(x + -9) = 79

Calculate the square root of the right side: 8.888194417

Break this problem into two subproblems by setting 
(x + -9) equal to 8.888194417 and -8.888194417.

Subproblem 1

x + -9 = 8.888194417 Simplifying x + -9 = 8.888194417 Reorder the terms: -9 + x = 8.888194417 Solving -9 + x = 8.888194417 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + x = 8.888194417 + 9 Combine like terms: -9 + 9 = 0 0 + x = 8.888194417 + 9 x = 8.888194417 + 9 Combine like terms: 8.888194417 + 9 = 17.888194417 x = 17.888194417 Simplifying x = 17.888194417

Subproblem 2

x + -9 = -8.888194417 Simplifying x + -9 = -8.888194417 Reorder the terms: -9 + x = -8.888194417 Solving -9 + x = -8.888194417 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + x = -8.888194417 + 9 Combine like terms: -9 + 9 = 0 0 + x = -8.888194417 + 9 x = -8.888194417 + 9 Combine like terms: -8.888194417 + 9 = 0.111805583 x = 0.111805583 Simplifying x = 0.111805583

Solution

The solution to the problem is based on the solutions from the subproblems. x = {17.888194417, 0.111805583}

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