x^2+182x+84=0

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Solution for x^2+182x+84=0 equation:


Simplifying
x2 + 182x + 84 = 0

Reorder the terms:
84 + 182x + x2 = 0

Solving
84 + 182x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-84' to each side of the equation.
84 + 182x + -84 + x2 = 0 + -84

Reorder the terms:
84 + -84 + 182x + x2 = 0 + -84

Combine like terms: 84 + -84 = 0
0 + 182x + x2 = 0 + -84
182x + x2 = 0 + -84

Combine like terms: 0 + -84 = -84
182x + x2 = -84

The x term is 182x.  Take half its coefficient (91).
Square it (8281) and add it to both sides.

Add '8281' to each side of the equation.
182x + 8281 + x2 = -84 + 8281

Reorder the terms:
8281 + 182x + x2 = -84 + 8281

Combine like terms: -84 + 8281 = 8197
8281 + 182x + x2 = 8197

Factor a perfect square on the left side:
(x + 91)(x + 91) = 8197

Calculate the square root of the right side: 90.537285137

Break this problem into two subproblems by setting 
(x + 91) equal to 90.537285137 and -90.537285137.

Subproblem 1

x + 91 = 90.537285137 Simplifying x + 91 = 90.537285137 Reorder the terms: 91 + x = 90.537285137 Solving 91 + x = 90.537285137 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-91' to each side of the equation. 91 + -91 + x = 90.537285137 + -91 Combine like terms: 91 + -91 = 0 0 + x = 90.537285137 + -91 x = 90.537285137 + -91 Combine like terms: 90.537285137 + -91 = -0.462714863 x = -0.462714863 Simplifying x = -0.462714863

Subproblem 2

x + 91 = -90.537285137 Simplifying x + 91 = -90.537285137 Reorder the terms: 91 + x = -90.537285137 Solving 91 + x = -90.537285137 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-91' to each side of the equation. 91 + -91 + x = -90.537285137 + -91 Combine like terms: 91 + -91 = 0 0 + x = -90.537285137 + -91 x = -90.537285137 + -91 Combine like terms: -90.537285137 + -91 = -181.537285137 x = -181.537285137 Simplifying x = -181.537285137

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.462714863, -181.537285137}

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