x^2+x-190=0

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Solution for x^2+x-190=0 equation:


Simplifying
x2 + x + -190 = 0

Reorder the terms:
-190 + x + x2 = 0

Solving
-190 + x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '190' to each side of the equation.
-190 + x + 190 + x2 = 0 + 190

Reorder the terms:
-190 + 190 + x + x2 = 0 + 190

Combine like terms: -190 + 190 = 0
0 + x + x2 = 0 + 190
x + x2 = 0 + 190

Combine like terms: 0 + 190 = 190
x + x2 = 190

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
x + 0.25 + x2 = 190 + 0.25

Reorder the terms:
0.25 + x + x2 = 190 + 0.25

Combine like terms: 190 + 0.25 = 190.25
0.25 + x + x2 = 190.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 190.25

Calculate the square root of the right side: 13.793114224

Break this problem into two subproblems by setting 
(x + 0.5) equal to 13.793114224 and -13.793114224.

Subproblem 1

x + 0.5 = 13.793114224 Simplifying x + 0.5 = 13.793114224 Reorder the terms: 0.5 + x = 13.793114224 Solving 0.5 + x = 13.793114224 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 13.793114224 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 13.793114224 + -0.5 x = 13.793114224 + -0.5 Combine like terms: 13.793114224 + -0.5 = 13.293114224 x = 13.293114224 Simplifying x = 13.293114224

Subproblem 2

x + 0.5 = -13.793114224 Simplifying x + 0.5 = -13.793114224 Reorder the terms: 0.5 + x = -13.793114224 Solving 0.5 + x = -13.793114224 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -13.793114224 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -13.793114224 + -0.5 x = -13.793114224 + -0.5 Combine like terms: -13.793114224 + -0.5 = -14.293114224 x = -14.293114224 Simplifying x = -14.293114224

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.293114224, -14.293114224}

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