x^2+180x+500=0

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Solution for x^2+180x+500=0 equation:


Simplifying
x2 + 180x + 500 = 0

Reorder the terms:
500 + 180x + x2 = 0

Solving
500 + 180x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-500' to each side of the equation.
500 + 180x + -500 + x2 = 0 + -500

Reorder the terms:
500 + -500 + 180x + x2 = 0 + -500

Combine like terms: 500 + -500 = 0
0 + 180x + x2 = 0 + -500
180x + x2 = 0 + -500

Combine like terms: 0 + -500 = -500
180x + x2 = -500

The x term is 180x.  Take half its coefficient (90).
Square it (8100) and add it to both sides.

Add '8100' to each side of the equation.
180x + 8100 + x2 = -500 + 8100

Reorder the terms:
8100 + 180x + x2 = -500 + 8100

Combine like terms: -500 + 8100 = 7600
8100 + 180x + x2 = 7600

Factor a perfect square on the left side:
(x + 90)(x + 90) = 7600

Calculate the square root of the right side: 87.177978871

Break this problem into two subproblems by setting 
(x + 90) equal to 87.177978871 and -87.177978871.

Subproblem 1

x + 90 = 87.177978871 Simplifying x + 90 = 87.177978871 Reorder the terms: 90 + x = 87.177978871 Solving 90 + x = 87.177978871 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-90' to each side of the equation. 90 + -90 + x = 87.177978871 + -90 Combine like terms: 90 + -90 = 0 0 + x = 87.177978871 + -90 x = 87.177978871 + -90 Combine like terms: 87.177978871 + -90 = -2.822021129 x = -2.822021129 Simplifying x = -2.822021129

Subproblem 2

x + 90 = -87.177978871 Simplifying x + 90 = -87.177978871 Reorder the terms: 90 + x = -87.177978871 Solving 90 + x = -87.177978871 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-90' to each side of the equation. 90 + -90 + x = -87.177978871 + -90 Combine like terms: 90 + -90 = 0 0 + x = -87.177978871 + -90 x = -87.177978871 + -90 Combine like terms: -87.177978871 + -90 = -177.177978871 x = -177.177978871 Simplifying x = -177.177978871

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.822021129, -177.177978871}

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