x^2+26x+102=0

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Solution for x^2+26x+102=0 equation:


Simplifying
x2 + 26x + 102 = 0

Reorder the terms:
102 + 26x + x2 = 0

Solving
102 + 26x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-102' to each side of the equation.
102 + 26x + -102 + x2 = 0 + -102

Reorder the terms:
102 + -102 + 26x + x2 = 0 + -102

Combine like terms: 102 + -102 = 0
0 + 26x + x2 = 0 + -102
26x + x2 = 0 + -102

Combine like terms: 0 + -102 = -102
26x + x2 = -102

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 = -102 + 169

Reorder the terms:
169 + 26x + x2 = -102 + 169

Combine like terms: -102 + 169 = 67
169 + 26x + x2 = 67

Factor a perfect square on the left side:
(x + 13)(x + 13) = 67

Calculate the square root of the right side: 8.185352772

Break this problem into two subproblems by setting 
(x + 13) equal to 8.185352772 and -8.185352772.

Subproblem 1

x + 13 = 8.185352772 Simplifying x + 13 = 8.185352772 Reorder the terms: 13 + x = 8.185352772 Solving 13 + x = 8.185352772 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 = 8.185352772 + -13 Combine like terms: 13 + -13 = 0 0 + x = 8.185352772 + -13 x = 8.185352772 + -13 Combine like terms: 8.185352772 + -13 = -4.814647228 x = -4.814647228 Simplifying x = -4.814647228

Subproblem 2

x + 13 = -8.185352772 Simplifying x + 13 = -8.185352772 Reorder the terms: 13 + x = -8.185352772 Solving 13 + x = -8.185352772 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 = -8.185352772 + -13 Combine like terms: 13 + -13 = 0 0 + x = -8.185352772 + -13 x = -8.185352772 + -13 Combine like terms: -8.185352772 + -13 = -21.185352772 x = -21.185352772 Simplifying x = -21.185352772

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-4.814647228, -21.185352772}

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