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 = 72
49 + 14x + x2 = 72

Factor a perfect square on the left side:
(x + 7)(x + 7) = 72

Calculate the square root of the right side: 8.485281374

Break this problem into two subproblems by setting 
(x + 7) equal to 8.485281374 and -8.485281374.


Subproblem 1
x + 7 = 8.485281374

Simplifying
x + 7 = 8.485281374

Reorder the terms:
7 + x = 8.485281374

Solving
7 + x = 8.485281374

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 = 8.485281374 + -7

Combine like terms: 7 + -7 = 0
0 + x = 8.485281374 + -7
x = 8.485281374 + -7

Combine like terms: 8.485281374 + -7 = 1.485281374
x = 1.485281374

Simplifying
x = 1.485281374


Subproblem 2
x + 7 = -8.485281374

Simplifying
x + 7 = -8.485281374

Reorder the terms:
7 + x = -8.485281374

Solving
7 + x = -8.485281374

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 = -8.485281374 + -7

Combine like terms: 7 + -7 = 0
0 + x = -8.485281374 + -7
x = -8.485281374 + -7

Combine like terms: -8.485281374 + -7 = -15.485281374
x = -15.485281374

Simplifying
x = -15.485281374


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {1.485281374, -15.485281374}

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