x^2+11x-182=0

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Solution for x^2+11x-182=0 equation:


Simplifying
x2 + 11x + -182 = 0

Reorder the terms:
-182 + 11x + x2 = 0

Solving
-182 + 11x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '182' to each side of the equation.
-182 + 11x + 182 + x2 = 0 + 182

Reorder the terms:
-182 + 182 + 11x + x2 = 0 + 182

Combine like terms: -182 + 182 = 0
0 + 11x + x2 = 0 + 182
11x + x2 = 0 + 182

Combine like terms: 0 + 182 = 182
11x + x2 = 182

The x term is 11x.  Take half its coefficient (5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
11x + 30.25 + x2 = 182 + 30.25

Reorder the terms:
30.25 + 11x + x2 = 182 + 30.25

Combine like terms: 182 + 30.25 = 212.25
30.25 + 11x + x2 = 212.25

Factor a perfect square on the left side:
(x + 5.5)(x + 5.5) = 212.25

Calculate the square root of the right side: 14.568802284

Break this problem into two subproblems by setting 
(x + 5.5) equal to 14.568802284 and -14.568802284.

Subproblem 1

x + 5.5 = 14.568802284 Simplifying x + 5.5 = 14.568802284 Reorder the terms: 5.5 + x = 14.568802284 Solving 5.5 + x = 14.568802284 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = 14.568802284 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = 14.568802284 + -5.5 x = 14.568802284 + -5.5 Combine like terms: 14.568802284 + -5.5 = 9.068802284 x = 9.068802284 Simplifying x = 9.068802284

Subproblem 2

x + 5.5 = -14.568802284 Simplifying x + 5.5 = -14.568802284 Reorder the terms: 5.5 + x = -14.568802284 Solving 5.5 + x = -14.568802284 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = -14.568802284 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = -14.568802284 + -5.5 x = -14.568802284 + -5.5 Combine like terms: -14.568802284 + -5.5 = -20.068802284 x = -20.068802284 Simplifying x = -20.068802284

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.068802284, -20.068802284}

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