-x^2-.00091x+.00182=0

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Solution for -x^2-.00091x+.00182=0 equation:


Simplifying
-1x2 + -0.00091x + 0.00182 = 0

Reorder the terms:
0.00182 + -0.00091x + -1x2 = 0

Solving
0.00182 + -0.00091x + -1x2 = 0

Solving for variable 'x'.

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

Divide each side by '-1'.
-0.00182 + 0.00091x + x2 = 0

Move the constant term to the right:

Add '0.00182' to each side of the equation.
-0.00182 + 0.00091x + 0.00182 + x2 = 0 + 0.00182

Reorder the terms:
-0.00182 + 0.00182 + 0.00091x + x2 = 0 + 0.00182

Combine like terms: -0.00182 + 0.00182 = 0.00000
0.00000 + 0.00091x + x2 = 0 + 0.00182
0.00091x + x2 = 0 + 0.00182

Combine like terms: 0 + 0.00182 = 0.00182
0.00091x + x2 = 0.00182

The x term is 0.00091x.  Take half its coefficient (0.000455).
Square it (0.000000207025) and add it to both sides.

Add '0.000000207025' to each side of the equation.
0.00091x + 0.000000207025 + x2 = 0.00182 + 0.000000207025

Reorder the terms:
0.000000207025 + 0.00091x + x2 = 0.00182 + 0.000000207025

Combine like terms: 0.00182 + 0.000000207025 = 0.001820207025
0.000000207025 + 0.00091x + x2 = 0.001820207025

Factor a perfect square on the left side:
(x + 0.000455)(x + 0.000455) = 0.001820207025

Calculate the square root of the right side: 0.042663884

Break this problem into two subproblems by setting 
(x + 0.000455) equal to 0.042663884 and -0.042663884.

Subproblem 1

x + 0.000455 = 0.042663884 Simplifying x + 0.000455 = 0.042663884 Reorder the terms: 0.000455 + x = 0.042663884 Solving 0.000455 + x = 0.042663884 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.000455' to each side of the equation. 0.000455 + -0.000455 + x = 0.042663884 + -0.000455 Combine like terms: 0.000455 + -0.000455 = 0.000000 0.000000 + x = 0.042663884 + -0.000455 x = 0.042663884 + -0.000455 Combine like terms: 0.042663884 + -0.000455 = 0.042208884 x = 0.042208884 Simplifying x = 0.042208884

Subproblem 2

x + 0.000455 = -0.042663884 Simplifying x + 0.000455 = -0.042663884 Reorder the terms: 0.000455 + x = -0.042663884 Solving 0.000455 + x = -0.042663884 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.000455' to each side of the equation. 0.000455 + -0.000455 + x = -0.042663884 + -0.000455 Combine like terms: 0.000455 + -0.000455 = 0.000000 0.000000 + x = -0.042663884 + -0.000455 x = -0.042663884 + -0.000455 Combine like terms: -0.042663884 + -0.000455 = -0.043118884 x = -0.043118884 Simplifying x = -0.043118884

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.042208884, -0.043118884}

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