x^2-23x+26=0

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


Simplifying
x2 + -23x + 26 = 0

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

Solving
26 + -23x + 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 + -23x + -26 + x2 = 0 + -26

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

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

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

The x term is -23x.  Take half its coefficient (-11.5).
Square it (132.25) and add it to both sides.

Add '132.25' to each side of the equation.
-23x + 132.25 + x2 = -26 + 132.25

Reorder the terms:
132.25 + -23x + x2 = -26 + 132.25

Combine like terms: -26 + 132.25 = 106.25
132.25 + -23x + x2 = 106.25

Factor a perfect square on the left side:
(x + -11.5)(x + -11.5) = 106.25

Calculate the square root of the right side: 10.307764064

Break this problem into two subproblems by setting 
(x + -11.5) equal to 10.307764064 and -10.307764064.

Subproblem 1

x + -11.5 = 10.307764064 Simplifying x + -11.5 = 10.307764064 Reorder the terms: -11.5 + x = 10.307764064 Solving -11.5 + x = 10.307764064 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.5' to each side of the equation. -11.5 + 11.5 + x = 10.307764064 + 11.5 Combine like terms: -11.5 + 11.5 = 0.0 0.0 + x = 10.307764064 + 11.5 x = 10.307764064 + 11.5 Combine like terms: 10.307764064 + 11.5 = 21.807764064 x = 21.807764064 Simplifying x = 21.807764064

Subproblem 2

x + -11.5 = -10.307764064 Simplifying x + -11.5 = -10.307764064 Reorder the terms: -11.5 + x = -10.307764064 Solving -11.5 + x = -10.307764064 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.5' to each side of the equation. -11.5 + 11.5 + x = -10.307764064 + 11.5 Combine like terms: -11.5 + 11.5 = 0.0 0.0 + x = -10.307764064 + 11.5 x = -10.307764064 + 11.5 Combine like terms: -10.307764064 + 11.5 = 1.192235936 x = 1.192235936 Simplifying x = 1.192235936

Solution

The solution to the problem is based on the solutions from the subproblems. x = {21.807764064, 1.192235936}

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