x^2+14x-119=0

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Solution for x^2+14x-119=0 equation:


Simplifying
x2 + 14x + -119 = 0

Reorder the terms:
-119 + 14x + x2 = 0

Solving
-119 + 14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '119' to each side of the equation.
-119 + 14x + 119 + x2 = 0 + 119

Reorder the terms:
-119 + 119 + 14x + x2 = 0 + 119

Combine like terms: -119 + 119 = 0
0 + 14x + x2 = 0 + 119
14x + x2 = 0 + 119

Combine like terms: 0 + 119 = 119
14x + x2 = 119

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 = 119 + 49

Reorder the terms:
49 + 14x + x2 = 119 + 49

Combine like terms: 119 + 49 = 168
49 + 14x + x2 = 168

Factor a perfect square on the left side:
(x + 7)(x + 7) = 168

Calculate the square root of the right side: 12.961481397

Break this problem into two subproblems by setting 
(x + 7) equal to 12.961481397 and -12.961481397.

Subproblem 1

x + 7 = 12.961481397 Simplifying x + 7 = 12.961481397 Reorder the terms: 7 + x = 12.961481397 Solving 7 + x = 12.961481397 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 = 12.961481397 + -7 Combine like terms: 7 + -7 = 0 0 + x = 12.961481397 + -7 x = 12.961481397 + -7 Combine like terms: 12.961481397 + -7 = 5.961481397 x = 5.961481397 Simplifying x = 5.961481397

Subproblem 2

x + 7 = -12.961481397 Simplifying x + 7 = -12.961481397 Reorder the terms: 7 + x = -12.961481397 Solving 7 + x = -12.961481397 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 = -12.961481397 + -7 Combine like terms: 7 + -7 = 0 0 + x = -12.961481397 + -7 x = -12.961481397 + -7 Combine like terms: -12.961481397 + -7 = -19.961481397 x = -19.961481397 Simplifying x = -19.961481397

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.961481397, -19.961481397}

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