x-x^2=0.038

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Solution for x-x^2=0.038 equation:


Simplifying
x + -1x2 = 0.038

Solving
x + -1x2 = 0.038

Solving for variable 'x'.

Reorder the terms:
-0.038 + x + -1x2 = 0.038 + -0.038

Combine like terms: 0.038 + -0.038 = 0.000
-0.038 + x + -1x2 = 0.000

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

Divide each side by '-1'.
0.038 + -1x + x2 = 0.000

Move the constant term to the right:

Add '-0.038' to each side of the equation.
0.038 + -1x + -0.038 + x2 = 0.000 + -0.038

Reorder the terms:
0.038 + -0.038 + -1x + x2 = 0.000 + -0.038

Combine like terms: 0.038 + -0.038 = 0.000
0.000 + -1x + x2 = 0.000 + -0.038
-1x + x2 = 0.000 + -0.038

Combine like terms: 0.000 + -0.038 = -0.038
-1x + x2 = -0.038

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.
-1x + 0.25 + x2 = -0.038 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -0.038 + 0.25

Combine like terms: -0.038 + 0.25 = 0.212
0.25 + -1x + x2 = 0.212

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 0.212

Calculate the square root of the right side: 0.460434577

Break this problem into two subproblems by setting 
(x + 0.5) equal to 0.460434577 and -0.460434577.

Subproblem 1

x + 0.5 = 0.460434577 Simplifying x + 0.5 = 0.460434577 Reorder the terms: 0.5 + x = 0.460434577 Solving 0.5 + x = 0.460434577 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 = 0.460434577 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.460434577 + -0.5 x = 0.460434577 + -0.5 Combine like terms: 0.460434577 + -0.5 = -0.039565423 x = -0.039565423 Simplifying x = -0.039565423

Subproblem 2

x + 0.5 = -0.460434577 Simplifying x + 0.5 = -0.460434577 Reorder the terms: 0.5 + x = -0.460434577 Solving 0.5 + x = -0.460434577 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 = -0.460434577 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.460434577 + -0.5 x = -0.460434577 + -0.5 Combine like terms: -0.460434577 + -0.5 = -0.960434577 x = -0.960434577 Simplifying x = -0.960434577

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.039565423, -0.960434577}

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