2x^2+0.00000698x-0.000013262=0

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Solution for 2x^2+0.00000698x-0.000013262=0 equation:


Simplifying
2x2 + 0.00000698x + -0.000013262 = 0

Reorder the terms:
-0.000013262 + 0.00000698x + 2x2 = 0

Solving
-0.000013262 + 0.00000698x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
-0.000006631 + 0.00000349x + x2 = 0

Move the constant term to the right:

Add '0.000006631' to each side of the equation.
-0.000006631 + 0.00000349x + 0.000006631 + x2 = 0 + 0.000006631

Reorder the terms:
-0.000006631 + 0.000006631 + 0.00000349x + x2 = 0 + 0.000006631

Combine like terms: -0.000006631 + 0.000006631 = 0.000000000
0.000000000 + 0.00000349x + x2 = 0 + 0.000006631
0.00000349x + x2 = 0 + 0.000006631

Combine like terms: 0 + 0.000006631 = 0.000006631
0.00000349x + x2 = 0.000006631

The x term is 0.00000349x.  Take half its coefficient (0.000001745).
Square it (0.000000000003045025) and add it to both sides.

Add '0.000000000003045025' to each side of the equation.
0.00000349x + 0.000000000003045025 + x2 = 0.000006631 + 0.000000000003045025

Reorder the terms:
0.000000000003045025 + 0.00000349x + x2 = 0.000006631 + 0.000000000003045025

Combine like terms: 0.000006631 + 0.000000000003045025 = 0.000006631003045025
0.000000000003045025 + 0.00000349x + x2 = 0.000006631003045025

Factor a perfect square on the left side:
(x + 0.000001745)(x + 0.000001745) = 0.000006631003045025

Calculate the square root of the right side: 0.002575073

Break this problem into two subproblems by setting 
(x + 0.000001745) equal to 0.002575073 and -0.002575073.

Subproblem 1

x + 0.000001745 = 0.002575073 Simplifying x + 0.000001745 = 0.002575073 Reorder the terms: 0.000001745 + x = 0.002575073 Solving 0.000001745 + x = 0.002575073 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.000001745' to each side of the equation. 0.000001745 + -0.000001745 + x = 0.002575073 + -0.000001745 Combine like terms: 0.000001745 + -0.000001745 = 0.000000000 0.000000000 + x = 0.002575073 + -0.000001745 x = 0.002575073 + -0.000001745 Combine like terms: 0.002575073 + -0.000001745 = 0.002573328 x = 0.002573328 Simplifying x = 0.002573328

Subproblem 2

x + 0.000001745 = -0.002575073 Simplifying x + 0.000001745 = -0.002575073 Reorder the terms: 0.000001745 + x = -0.002575073 Solving 0.000001745 + x = -0.002575073 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.000001745' to each side of the equation. 0.000001745 + -0.000001745 + x = -0.002575073 + -0.000001745 Combine like terms: 0.000001745 + -0.000001745 = 0.000000000 0.000000000 + x = -0.002575073 + -0.000001745 x = -0.002575073 + -0.000001745 Combine like terms: -0.002575073 + -0.000001745 = -0.002576818 x = -0.002576818 Simplifying x = -0.002576818

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.002573328, -0.002576818}

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