x^2+36*x+303=0

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Solution for x^2+36*x+303=0 equation:


Simplifying
x2 + 36x + 303 = 0

Reorder the terms:
303 + 36x + x2 = 0

Solving
303 + 36x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-303' to each side of the equation.
303 + 36x + -303 + x2 = 0 + -303

Reorder the terms:
303 + -303 + 36x + x2 = 0 + -303

Combine like terms: 303 + -303 = 0
0 + 36x + x2 = 0 + -303
36x + x2 = 0 + -303

Combine like terms: 0 + -303 = -303
36x + x2 = -303

The x term is 36x.  Take half its coefficient (18).
Square it (324) and add it to both sides.

Add '324' to each side of the equation.
36x + 324 + x2 = -303 + 324

Reorder the terms:
324 + 36x + x2 = -303 + 324

Combine like terms: -303 + 324 = 21
324 + 36x + x2 = 21

Factor a perfect square on the left side:
(x + 18)(x + 18) = 21

Calculate the square root of the right side: 4.582575695

Break this problem into two subproblems by setting 
(x + 18) equal to 4.582575695 and -4.582575695.

Subproblem 1

x + 18 = 4.582575695 Simplifying x + 18 = 4.582575695 Reorder the terms: 18 + x = 4.582575695 Solving 18 + x = 4.582575695 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + x = 4.582575695 + -18 Combine like terms: 18 + -18 = 0 0 + x = 4.582575695 + -18 x = 4.582575695 + -18 Combine like terms: 4.582575695 + -18 = -13.417424305 x = -13.417424305 Simplifying x = -13.417424305

Subproblem 2

x + 18 = -4.582575695 Simplifying x + 18 = -4.582575695 Reorder the terms: 18 + x = -4.582575695 Solving 18 + x = -4.582575695 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + x = -4.582575695 + -18 Combine like terms: 18 + -18 = 0 0 + x = -4.582575695 + -18 x = -4.582575695 + -18 Combine like terms: -4.582575695 + -18 = -22.582575695 x = -22.582575695 Simplifying x = -22.582575695

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-13.417424305, -22.582575695}

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