x^2-16x+2=0

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


Simplifying
x2 + -16x + 2 = 0

Reorder the terms:
2 + -16x + x2 = 0

Solving
2 + -16x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -16x + -2 + x2 = 0 + -2

Reorder the terms:
2 + -2 + -16x + x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -16x + x2 = 0 + -2
-16x + x2 = 0 + -2

Combine like terms: 0 + -2 = -2
-16x + x2 = -2

The x term is -16x.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16x + 64 + x2 = -2 + 64

Reorder the terms:
64 + -16x + x2 = -2 + 64

Combine like terms: -2 + 64 = 62
64 + -16x + x2 = 62

Factor a perfect square on the left side:
(x + -8)(x + -8) = 62

Calculate the square root of the right side: 7.874007874

Break this problem into two subproblems by setting 
(x + -8) equal to 7.874007874 and -7.874007874.

Subproblem 1

x + -8 = 7.874007874 Simplifying x + -8 = 7.874007874 Reorder the terms: -8 + x = 7.874007874 Solving -8 + x = 7.874007874 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 7.874007874 + 8 Combine like terms: -8 + 8 = 0 0 + x = 7.874007874 + 8 x = 7.874007874 + 8 Combine like terms: 7.874007874 + 8 = 15.874007874 x = 15.874007874 Simplifying x = 15.874007874

Subproblem 2

x + -8 = -7.874007874 Simplifying x + -8 = -7.874007874 Reorder the terms: -8 + x = -7.874007874 Solving -8 + x = -7.874007874 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = -7.874007874 + 8 Combine like terms: -8 + 8 = 0 0 + x = -7.874007874 + 8 x = -7.874007874 + 8 Combine like terms: -7.874007874 + 8 = 0.125992126 x = 0.125992126 Simplifying x = 0.125992126

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.874007874, 0.125992126}

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