x^2+14=12x

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Solution for x^2+14=12x equation:


Simplifying
x2 + 14 = 12x

Reorder the terms:
14 + x2 = 12x

Solving
14 + x2 = 12x

Solving for variable 'x'.

Reorder the terms:
14 + -12x + x2 = 12x + -12x

Combine like terms: 12x + -12x = 0
14 + -12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-14' to each side of the equation.
14 + -12x + -14 + x2 = 0 + -14

Reorder the terms:
14 + -14 + -12x + x2 = 0 + -14

Combine like terms: 14 + -14 = 0
0 + -12x + x2 = 0 + -14
-12x + x2 = 0 + -14

Combine like terms: 0 + -14 = -14
-12x + x2 = -14

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = -14 + 36

Reorder the terms:
36 + -12x + x2 = -14 + 36

Combine like terms: -14 + 36 = 22
36 + -12x + x2 = 22

Factor a perfect square on the left side:
(x + -6)(x + -6) = 22

Calculate the square root of the right side: 4.69041576

Break this problem into two subproblems by setting 
(x + -6) equal to 4.69041576 and -4.69041576.

Subproblem 1

x + -6 = 4.69041576 Simplifying x + -6 = 4.69041576 Reorder the terms: -6 + x = 4.69041576 Solving -6 + x = 4.69041576 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 4.69041576 + 6 Combine like terms: -6 + 6 = 0 0 + x = 4.69041576 + 6 x = 4.69041576 + 6 Combine like terms: 4.69041576 + 6 = 10.69041576 x = 10.69041576 Simplifying x = 10.69041576

Subproblem 2

x + -6 = -4.69041576 Simplifying x + -6 = -4.69041576 Reorder the terms: -6 + x = -4.69041576 Solving -6 + x = -4.69041576 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -4.69041576 + 6 Combine like terms: -6 + 6 = 0 0 + x = -4.69041576 + 6 x = -4.69041576 + 6 Combine like terms: -4.69041576 + 6 = 1.30958424 x = 1.30958424 Simplifying x = 1.30958424

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.69041576, 1.30958424}

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