x^2+26x+83=0

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Solution for x^2+26x+83=0 equation:


Simplifying
x2 + 26x + 83 = 0

Reorder the terms:
83 + 26x + x2 = 0

Solving
83 + 26x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-83' to each side of the equation.
83 + 26x + -83 + x2 = 0 + -83

Reorder the terms:
83 + -83 + 26x + x2 = 0 + -83

Combine like terms: 83 + -83 = 0
0 + 26x + x2 = 0 + -83
26x + x2 = 0 + -83

Combine like terms: 0 + -83 = -83
26x + x2 = -83

The x term is 26x.  Take half its coefficient (13).
Square it (169) and add it to both sides.

Add '169' to each side of the equation.
26x + 169 + x2 = -83 + 169

Reorder the terms:
169 + 26x + x2 = -83 + 169

Combine like terms: -83 + 169 = 86
169 + 26x + x2 = 86

Factor a perfect square on the left side:
(x + 13)(x + 13) = 86

Calculate the square root of the right side: 9.273618495

Break this problem into two subproblems by setting 
(x + 13) equal to 9.273618495 and -9.273618495.

Subproblem 1

x + 13 = 9.273618495 Simplifying x + 13 = 9.273618495 Reorder the terms: 13 + x = 9.273618495 Solving 13 + x = 9.273618495 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + x = 9.273618495 + -13 Combine like terms: 13 + -13 = 0 0 + x = 9.273618495 + -13 x = 9.273618495 + -13 Combine like terms: 9.273618495 + -13 = -3.726381505 x = -3.726381505 Simplifying x = -3.726381505

Subproblem 2

x + 13 = -9.273618495 Simplifying x + 13 = -9.273618495 Reorder the terms: 13 + x = -9.273618495 Solving 13 + x = -9.273618495 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + x = -9.273618495 + -13 Combine like terms: 13 + -13 = 0 0 + x = -9.273618495 + -13 x = -9.273618495 + -13 Combine like terms: -9.273618495 + -13 = -22.273618495 x = -22.273618495 Simplifying x = -22.273618495

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-3.726381505, -22.273618495}

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