x^2-26x+26=0

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


Simplifying
x2 + -26x + 26 = 0

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

Solving
26 + -26x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

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

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

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

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

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 = -26 + 169

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

Combine like terms: -26 + 169 = 143
169 + -26x + x2 = 143

Factor a perfect square on the left side:
(x + -13)(x + -13) = 143

Calculate the square root of the right side: 11.958260743

Break this problem into two subproblems by setting 
(x + -13) equal to 11.958260743 and -11.958260743.

Subproblem 1

x + -13 = 11.958260743 Simplifying x + -13 = 11.958260743 Reorder the terms: -13 + x = 11.958260743 Solving -13 + x = 11.958260743 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 = 11.958260743 + 13 Combine like terms: -13 + 13 = 0 0 + x = 11.958260743 + 13 x = 11.958260743 + 13 Combine like terms: 11.958260743 + 13 = 24.958260743 x = 24.958260743 Simplifying x = 24.958260743

Subproblem 2

x + -13 = -11.958260743 Simplifying x + -13 = -11.958260743 Reorder the terms: -13 + x = -11.958260743 Solving -13 + x = -11.958260743 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 = -11.958260743 + 13 Combine like terms: -13 + 13 = 0 0 + x = -11.958260743 + 13 x = -11.958260743 + 13 Combine like terms: -11.958260743 + 13 = 1.041739257 x = 1.041739257 Simplifying x = 1.041739257

Solution

The solution to the problem is based on the solutions from the subproblems. x = {24.958260743, 1.041739257}

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