.0682=2x+x^2

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Solution for .0682=2x+x^2 equation:


Simplifying
0.0682 = 2x + x2

Solving
0.0682 = 2x + x2

Solving for variable 'x'.

Reorder the terms:
0.0682 + -2x + -1x2 = 2x + -2x + x2 + -1x2

Combine like terms: 2x + -2x = 0
0.0682 + -2x + -1x2 = 0 + x2 + -1x2
0.0682 + -2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
0.0682 + -2x + -1x2 = 0

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

Divide each side by '-1'.
-0.0682 + 2x + x2 = 0

Move the constant term to the right:

Add '0.0682' to each side of the equation.
-0.0682 + 2x + 0.0682 + x2 = 0 + 0.0682

Reorder the terms:
-0.0682 + 0.0682 + 2x + x2 = 0 + 0.0682

Combine like terms: -0.0682 + 0.0682 = 0.0000
0.0000 + 2x + x2 = 0 + 0.0682
2x + x2 = 0 + 0.0682

Combine like terms: 0 + 0.0682 = 0.0682
2x + x2 = 0.0682

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = 0.0682 + 1

Reorder the terms:
1 + 2x + x2 = 0.0682 + 1

Combine like terms: 0.0682 + 1 = 1.0682
1 + 2x + x2 = 1.0682

Factor a perfect square on the left side:
(x + 1)(x + 1) = 1.0682

Calculate the square root of the right side: 1.033537614

Break this problem into two subproblems by setting 
(x + 1) equal to 1.033537614 and -1.033537614.

Subproblem 1

x + 1 = 1.033537614 Simplifying x + 1 = 1.033537614 Reorder the terms: 1 + x = 1.033537614 Solving 1 + x = 1.033537614 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 1.033537614 + -1 Combine like terms: 1 + -1 = 0 0 + x = 1.033537614 + -1 x = 1.033537614 + -1 Combine like terms: 1.033537614 + -1 = 0.033537614 x = 0.033537614 Simplifying x = 0.033537614

Subproblem 2

x + 1 = -1.033537614 Simplifying x + 1 = -1.033537614 Reorder the terms: 1 + x = -1.033537614 Solving 1 + x = -1.033537614 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -1.033537614 + -1 Combine like terms: 1 + -1 = 0 0 + x = -1.033537614 + -1 x = -1.033537614 + -1 Combine like terms: -1.033537614 + -1 = -2.033537614 x = -2.033537614 Simplifying x = -2.033537614

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.033537614, -2.033537614}

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