x^2-1000x+7.936=0

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Solution for x^2-1000x+7.936=0 equation:


Simplifying
x2 + -1000x + 7.936 = 0

Reorder the terms:
7.936 + -1000x + x2 = 0

Solving
7.936 + -1000x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-7.936' to each side of the equation.
7.936 + -1000x + -7.936 + x2 = 0 + -7.936

Reorder the terms:
7.936 + -7.936 + -1000x + x2 = 0 + -7.936

Combine like terms: 7.936 + -7.936 = 0.000
0.000 + -1000x + x2 = 0 + -7.936
-1000x + x2 = 0 + -7.936

Combine like terms: 0 + -7.936 = -7.936
-1000x + x2 = -7.936

The x term is -1000x.  Take half its coefficient (-500).
Square it (250000) and add it to both sides.

Add '250000' to each side of the equation.
-1000x + 250000 + x2 = -7.936 + 250000

Reorder the terms:
250000 + -1000x + x2 = -7.936 + 250000

Combine like terms: -7.936 + 250000 = 249992.064
250000 + -1000x + x2 = 249992.064

Factor a perfect square on the left side:
(x + -500)(x + -500) = 249992.064

Calculate the square root of the right side: 499.992063937

Break this problem into two subproblems by setting 
(x + -500) equal to 499.992063937 and -499.992063937.

Subproblem 1

x + -500 = 499.992063937 Simplifying x + -500 = 499.992063937 Reorder the terms: -500 + x = 499.992063937 Solving -500 + x = 499.992063937 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '500' to each side of the equation. -500 + 500 + x = 499.992063937 + 500 Combine like terms: -500 + 500 = 0 0 + x = 499.992063937 + 500 x = 499.992063937 + 500 Combine like terms: 499.992063937 + 500 = 999.992063937 x = 999.992063937 Simplifying x = 999.992063937

Subproblem 2

x + -500 = -499.992063937 Simplifying x + -500 = -499.992063937 Reorder the terms: -500 + x = -499.992063937 Solving -500 + x = -499.992063937 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '500' to each side of the equation. -500 + 500 + x = -499.992063937 + 500 Combine like terms: -500 + 500 = 0 0 + x = -499.992063937 + 500 x = -499.992063937 + 500 Combine like terms: -499.992063937 + 500 = 0.007936063 x = 0.007936063 Simplifying x = 0.007936063

Solution

The solution to the problem is based on the solutions from the subproblems. x = {999.992063937, 0.007936063}

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