x^2+38x+3=0

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Solution for x^2+38x+3=0 equation:


Simplifying
x2 + 38x + 3 = 0

Reorder the terms:
3 + 38x + x2 = 0

Solving
3 + 38x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 38x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + 38x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 38x + x2 = 0 + -3
38x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
38x + x2 = -3

The x term is 38x.  Take half its coefficient (19).
Square it (361) and add it to both sides.

Add '361' to each side of the equation.
38x + 361 + x2 = -3 + 361

Reorder the terms:
361 + 38x + x2 = -3 + 361

Combine like terms: -3 + 361 = 358
361 + 38x + x2 = 358

Factor a perfect square on the left side:
(x + 19)(x + 19) = 358

Calculate the square root of the right side: 18.920887928

Break this problem into two subproblems by setting 
(x + 19) equal to 18.920887928 and -18.920887928.

Subproblem 1

x + 19 = 18.920887928 Simplifying x + 19 = 18.920887928 Reorder the terms: 19 + x = 18.920887928 Solving 19 + x = 18.920887928 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + x = 18.920887928 + -19 Combine like terms: 19 + -19 = 0 0 + x = 18.920887928 + -19 x = 18.920887928 + -19 Combine like terms: 18.920887928 + -19 = -0.079112072 x = -0.079112072 Simplifying x = -0.079112072

Subproblem 2

x + 19 = -18.920887928 Simplifying x + 19 = -18.920887928 Reorder the terms: 19 + x = -18.920887928 Solving 19 + x = -18.920887928 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + x = -18.920887928 + -19 Combine like terms: 19 + -19 = 0 0 + x = -18.920887928 + -19 x = -18.920887928 + -19 Combine like terms: -18.920887928 + -19 = -37.920887928 x = -37.920887928 Simplifying x = -37.920887928

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.079112072, -37.920887928}

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