1.9964x^2+0.0072x-0.0036=0

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Solution for 1.9964x^2+0.0072x-0.0036=0 equation:


Simplifying
1.9964x2 + 0.0072x + -0.0036 = 0

Reorder the terms:
-0.0036 + 0.0072x + 1.9964x2 = 0

Solving
-0.0036 + 0.0072x + 1.9964x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
1.9964 the coefficient of the squared term: 

Divide each side by '1.9964'.
-0.001803245843 + 0.003606491685x + x2 = 0

Move the constant term to the right:

Add '0.001803245843' to each side of the equation.
-0.001803245843 + 0.003606491685x + 0.001803245843 + x2 = 0 + 0.001803245843

Reorder the terms:
-0.001803245843 + 0.001803245843 + 0.003606491685x + x2 = 0 + 0.001803245843

Combine like terms: -0.001803245843 + 0.001803245843 = 0.000000000000
0.000000000000 + 0.003606491685x + x2 = 0 + 0.001803245843
0.003606491685x + x2 = 0 + 0.001803245843

Combine like terms: 0 + 0.001803245843 = 0.001803245843
0.003606491685x + x2 = 0.001803245843

The x term is 0.003606491685x.  Take half its coefficient (0.001803245843).
Square it (0.000003251695570) and add it to both sides.

Add '0.000003251695570' to each side of the equation.
0.003606491685x + 0.000003251695570 + x2 = 0.001803245843 + 0.000003251695570

Reorder the terms:
0.000003251695570 + 0.003606491685x + x2 = 0.001803245843 + 0.000003251695570

Combine like terms: 0.001803245843 + 0.000003251695570 = 0.00180649753857
0.000003251695570 + 0.003606491685x + x2 = 0.00180649753857

Factor a perfect square on the left side:
(x + 0.001803245843)(x + 0.001803245843) = 0.00180649753857

Calculate the square root of the right side: 0.042502912

Break this problem into two subproblems by setting 
(x + 0.001803245843) equal to 0.042502912 and -0.042502912.

Subproblem 1

x + 0.001803245843 = 0.042502912 Simplifying x + 0.001803245843 = 0.042502912 Reorder the terms: 0.001803245843 + x = 0.042502912 Solving 0.001803245843 + x = 0.042502912 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.001803245843' to each side of the equation. 0.001803245843 + -0.001803245843 + x = 0.042502912 + -0.001803245843 Combine like terms: 0.001803245843 + -0.001803245843 = 0.000000000000 0.000000000000 + x = 0.042502912 + -0.001803245843 x = 0.042502912 + -0.001803245843 Combine like terms: 0.042502912 + -0.001803245843 = 0.040699666157 x = 0.040699666157 Simplifying x = 0.040699666157

Subproblem 2

x + 0.001803245843 = -0.042502912 Simplifying x + 0.001803245843 = -0.042502912 Reorder the terms: 0.001803245843 + x = -0.042502912 Solving 0.001803245843 + x = -0.042502912 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.001803245843' to each side of the equation. 0.001803245843 + -0.001803245843 + x = -0.042502912 + -0.001803245843 Combine like terms: 0.001803245843 + -0.001803245843 = 0.000000000000 0.000000000000 + x = -0.042502912 + -0.001803245843 x = -0.042502912 + -0.001803245843 Combine like terms: -0.042502912 + -0.001803245843 = -0.044306157843 x = -0.044306157843 Simplifying x = -0.044306157843

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.040699666157, -0.044306157843}

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