x^2-16x-92=0

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Solution for x^2-16x-92=0 equation: 


Simplifying
x2 + -16x + -92 = 0

Reorder the terms:
-92 + -16x + x2 = 0

Solving
-92 + -16x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '92' to each side of the equation.
-92 + -16x + 92 + x2 = 0 + 92

Reorder the terms:
-92 + 92 + -16x + x2 = 0 + 92

Combine like terms: -92 + 92 = 0
0 + -16x + x2 = 0 + 92
-16x + x2 = 0 + 92

Combine like terms: 0 + 92 = 92
-16x + x2 = 92

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 = 92 + 64

Reorder the terms:
64 + -16x + x2 = 92 + 64

Combine like terms: 92 + 64 = 156
64 + -16x + x2 = 156

Factor a perfect square on the left side:
(x + -8)(x + -8) = 156

Calculate the square root of the right side: 12.489995997

Break this problem into two subproblems by setting 
(x + -8) equal to 12.489995997 and -12.489995997.


Subproblem 1
x + -8 = 12.489995997

Simplifying
x + -8 = 12.489995997

Reorder the terms:
-8 + x = 12.489995997

Solving
-8 + x = 12.489995997

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 = 12.489995997 + 8

Combine like terms: -8 + 8 = 0
0 + x = 12.489995997 + 8
x = 12.489995997 + 8

Combine like terms: 12.489995997 + 8 = 20.489995997
x = 20.489995997

Simplifying
x = 20.489995997


Subproblem 2
x + -8 = -12.489995997

Simplifying
x + -8 = -12.489995997

Reorder the terms:
-8 + x = -12.489995997

Solving
-8 + x = -12.489995997

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 = -12.489995997 + 8

Combine like terms: -8 + 8 = 0
0 + x = -12.489995997 + 8
x = -12.489995997 + 8

Combine like terms: -12.489995997 + 8 = -4.489995997
x = -4.489995997

Simplifying
x = -4.489995997


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {20.489995997, -4.489995997}

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