x^2+x-2.34=0

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Solution for x^2+x-2.34=0 equation: 


Simplifying
x2 + x + -2.34 = 0

Reorder the terms:
-2.34 + x + x2 = 0

Solving
-2.34 + x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '2.34' to each side of the equation.
-2.34 + x + 2.34 + x2 = 0 + 2.34

Reorder the terms:
-2.34 + 2.34 + x + x2 = 0 + 2.34

Combine like terms: -2.34 + 2.34 = 0.00
0.00 + x + x2 = 0 + 2.34
x + x2 = 0 + 2.34

Combine like terms: 0 + 2.34 = 2.34
x + x2 = 2.34

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 = 2.34 + 0.25

Reorder the terms:
0.25 + x + x2 = 2.34 + 0.25

Combine like terms: 2.34 + 0.25 = 2.59
0.25 + x + x2 = 2.59

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 2.59

Calculate the square root of the right side: 1.609347694

Break this problem into two subproblems by setting 
(x + 0.5) equal to 1.609347694 and -1.609347694.


Subproblem 1
x + 0.5 = 1.609347694

Simplifying
x + 0.5 = 1.609347694

Reorder the terms:
0.5 + x = 1.609347694

Solving
0.5 + x = 1.609347694

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 = 1.609347694 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + x = 1.609347694 + -0.5
x = 1.609347694 + -0.5

Combine like terms: 1.609347694 + -0.5 = 1.109347694
x = 1.109347694

Simplifying
x = 1.109347694


Subproblem 2
x + 0.5 = -1.609347694

Simplifying
x + 0.5 = -1.609347694

Reorder the terms:
0.5 + x = -1.609347694

Solving
0.5 + x = -1.609347694

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 = -1.609347694 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + x = -1.609347694 + -0.5
x = -1.609347694 + -0.5

Combine like terms: -1.609347694 + -0.5 = -2.109347694
x = -2.109347694

Simplifying
x = -2.109347694


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {1.109347694, -2.109347694}

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