x^2+26x+23=0

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Solution for x^2+26x+23=0 equation:


Simplifying
x2 + 26x + 23 = 0

Reorder the terms:
23 + 26x + x2 = 0

Solving
23 + 26x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-23' to each side of the equation.
23 + 26x + -23 + x2 = 0 + -23

Reorder the terms:
23 + -23 + 26x + x2 = 0 + -23

Combine like terms: 23 + -23 = 0
0 + 26x + x2 = 0 + -23
26x + x2 = 0 + -23

Combine like terms: 0 + -23 = -23
26x + x2 = -23

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 = -23 + 169

Reorder the terms:
169 + 26x + x2 = -23 + 169

Combine like terms: -23 + 169 = 146
169 + 26x + x2 = 146

Factor a perfect square on the left side:
(x + 13)(x + 13) = 146

Calculate the square root of the right side: 12.083045974

Break this problem into two subproblems by setting 
(x + 13) equal to 12.083045974 and -12.083045974.

Subproblem 1

x + 13 = 12.083045974 Simplifying x + 13 = 12.083045974 Reorder the terms: 13 + x = 12.083045974 Solving 13 + x = 12.083045974 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 = 12.083045974 + -13 Combine like terms: 13 + -13 = 0 0 + x = 12.083045974 + -13 x = 12.083045974 + -13 Combine like terms: 12.083045974 + -13 = -0.916954026 x = -0.916954026 Simplifying x = -0.916954026

Subproblem 2

x + 13 = -12.083045974 Simplifying x + 13 = -12.083045974 Reorder the terms: 13 + x = -12.083045974 Solving 13 + x = -12.083045974 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 = -12.083045974 + -13 Combine like terms: 13 + -13 = 0 0 + x = -12.083045974 + -13 x = -12.083045974 + -13 Combine like terms: -12.083045974 + -13 = -25.083045974 x = -25.083045974 Simplifying x = -25.083045974

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.916954026, -25.083045974}

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