x^2-14x+23=0

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Solution for x^2-14x+23=0 equation:


Simplifying
x2 + -14x + 23 = 0

Reorder the terms:
23 + -14x + x2 = 0

Solving
23 + -14x + 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 + -14x + -23 + x2 = 0 + -23

Reorder the terms:
23 + -23 + -14x + x2 = 0 + -23

Combine like terms: 23 + -23 = 0
0 + -14x + x2 = 0 + -23
-14x + x2 = 0 + -23

Combine like terms: 0 + -23 = -23
-14x + x2 = -23

The x term is -14x.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14x + 49 + x2 = -23 + 49

Reorder the terms:
49 + -14x + x2 = -23 + 49

Combine like terms: -23 + 49 = 26
49 + -14x + x2 = 26

Factor a perfect square on the left side:
(x + -7)(x + -7) = 26

Calculate the square root of the right side: 5.099019514

Break this problem into two subproblems by setting 
(x + -7) equal to 5.099019514 and -5.099019514.

Subproblem 1

x + -7 = 5.099019514 Simplifying x + -7 = 5.099019514 Reorder the terms: -7 + x = 5.099019514 Solving -7 + x = 5.099019514 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = 5.099019514 + 7 Combine like terms: -7 + 7 = 0 0 + x = 5.099019514 + 7 x = 5.099019514 + 7 Combine like terms: 5.099019514 + 7 = 12.099019514 x = 12.099019514 Simplifying x = 12.099019514

Subproblem 2

x + -7 = -5.099019514 Simplifying x + -7 = -5.099019514 Reorder the terms: -7 + x = -5.099019514 Solving -7 + x = -5.099019514 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = -5.099019514 + 7 Combine like terms: -7 + 7 = 0 0 + x = -5.099019514 + 7 x = -5.099019514 + 7 Combine like terms: -5.099019514 + 7 = 1.900980486 x = 1.900980486 Simplifying x = 1.900980486

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.099019514, 1.900980486}

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