0.0002818382931=x+x^2

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Solution for 0.0002818382931=x+x^2 equation:


Simplifying
0.0002818382931 = x + x2

Solving
0.0002818382931 = x + x2

Solving for variable 'x'.

Reorder the terms:
0.0002818382931 + -1x + -1x2 = x + -1x + x2 + -1x2

Combine like terms: x + -1x = 0
0.0002818382931 + -1x + -1x2 = 0 + x2 + -1x2
0.0002818382931 + -1x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
0.0002818382931 + -1x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-0.0002818382931 + x + x2 = 0

Move the constant term to the right:

Add '0.0002818382931' to each side of the equation.
-0.0002818382931 + x + 0.0002818382931 + x2 = 0 + 0.0002818382931

Reorder the terms:
-0.0002818382931 + 0.0002818382931 + x + x2 = 0 + 0.0002818382931

Combine like terms: -0.0002818382931 + 0.0002818382931 = 0.0000000000000
0.0000000000000 + x + x2 = 0 + 0.0002818382931
x + x2 = 0 + 0.0002818382931

Combine like terms: 0 + 0.0002818382931 = 0.0002818382931
x + x2 = 0.0002818382931

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.
 + 0.25 + x2 = 0.0002818382931 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = 0.0002818382931 + 0.25

Combine like terms: 0.0002818382931 + 0.25 = 0.2502818382931
1.25 + x2 = 0.2502818382931

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 0.2502818382931

Calculate the square root of the right side: 0.500281759

Break this problem into two subproblems by setting 
(x + 0.5) equal to 0.500281759 and -0.500281759.

Subproblem 1

x + 0.5 = 0.500281759 Simplifying x + 0.5 = 0.500281759 Reorder the terms: 0.5 + x = 0.500281759 Solving 0.5 + x = 0.500281759 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 = 0.500281759 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.500281759 + -0.5 x = 0.500281759 + -0.5 Combine like terms: 0.500281759 + -0.5 = 0.000281759 x = 0.000281759 Simplifying x = 0.000281759

Subproblem 2

x + 0.5 = -0.500281759 Simplifying x + 0.5 = -0.500281759 Reorder the terms: 0.5 + x = -0.500281759 Solving 0.5 + x = -0.500281759 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 = -0.500281759 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.500281759 + -0.5 x = -0.500281759 + -0.5 Combine like terms: -0.500281759 + -0.5 = -1.000281759 x = -1.000281759 Simplifying x = -1.000281759

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.000281759, -1.000281759}

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