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 = -1.900980486 x = -1.900980486 Simplifying x = -1.900980486

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 = -12.099019514 x = -12.099019514 Simplifying x = -12.099019514

Solution

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

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