x^2+10x-108=0

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Solution for x^2+10x-108=0 equation:


Simplifying
x2 + 10x + -108 = 0

Reorder the terms:
-108 + 10x + x2 = 0

Solving
-108 + 10x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '108' to each side of the equation.
-108 + 10x + 108 + x2 = 0 + 108

Reorder the terms:
-108 + 108 + 10x + x2 = 0 + 108

Combine like terms: -108 + 108 = 0
0 + 10x + x2 = 0 + 108
10x + x2 = 0 + 108

Combine like terms: 0 + 108 = 108
10x + x2 = 108

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = 108 + 25

Reorder the terms:
25 + 10x + x2 = 108 + 25

Combine like terms: 108 + 25 = 133
25 + 10x + x2 = 133

Factor a perfect square on the left side:
(x + 5)(x + 5) = 133

Calculate the square root of the right side: 11.532562595

Break this problem into two subproblems by setting 
(x + 5) equal to 11.532562595 and -11.532562595.

Subproblem 1

x + 5 = 11.532562595 Simplifying x + 5 = 11.532562595 Reorder the terms: 5 + x = 11.532562595 Solving 5 + x = 11.532562595 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 11.532562595 + -5 Combine like terms: 5 + -5 = 0 0 + x = 11.532562595 + -5 x = 11.532562595 + -5 Combine like terms: 11.532562595 + -5 = 6.532562595 x = 6.532562595 Simplifying x = 6.532562595

Subproblem 2

x + 5 = -11.532562595 Simplifying x + 5 = -11.532562595 Reorder the terms: 5 + x = -11.532562595 Solving 5 + x = -11.532562595 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = -11.532562595 + -5 Combine like terms: 5 + -5 = 0 0 + x = -11.532562595 + -5 x = -11.532562595 + -5 Combine like terms: -11.532562595 + -5 = -16.532562595 x = -16.532562595 Simplifying x = -16.532562595

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.532562595, -16.532562595}

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