x^2-2000x-200000=0

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Solution for x^2-2000x-200000=0 equation:


Simplifying
x2 + -2000x + -200000 = 0

Reorder the terms:
-200000 + -2000x + x2 = 0

Solving
-200000 + -2000x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '200000' to each side of the equation.
-200000 + -2000x + 200000 + x2 = 0 + 200000

Reorder the terms:
-200000 + 200000 + -2000x + x2 = 0 + 200000

Combine like terms: -200000 + 200000 = 0
0 + -2000x + x2 = 0 + 200000
-2000x + x2 = 0 + 200000

Combine like terms: 0 + 200000 = 200000
-2000x + x2 = 200000

The x term is -2000x.  Take half its coefficient (-1000).
Square it (1000000) and add it to both sides.

Add '1000000' to each side of the equation.
-2000x + 1000000 + x2 = 200000 + 1000000

Reorder the terms:
1000000 + -2000x + x2 = 200000 + 1000000

Combine like terms: 200000 + 1000000 = 1200000
1000000 + -2000x + x2 = 1200000

Factor a perfect square on the left side:
(x + -1000)(x + -1000) = 1200000

Calculate the square root of the right side: 1095.44511501

Break this problem into two subproblems by setting 
(x + -1000) equal to 1095.44511501 and -1095.44511501.

Subproblem 1

x + -1000 = 1095.44511501 Simplifying x + -1000 = 1095.44511501 Reorder the terms: -1000 + x = 1095.44511501 Solving -1000 + x = 1095.44511501 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1000' to each side of the equation. -1000 + 1000 + x = 1095.44511501 + 1000 Combine like terms: -1000 + 1000 = 0 0 + x = 1095.44511501 + 1000 x = 1095.44511501 + 1000 Combine like terms: 1095.44511501 + 1000 = 2095.44511501 x = 2095.44511501 Simplifying x = 2095.44511501

Subproblem 2

x + -1000 = -1095.44511501 Simplifying x + -1000 = -1095.44511501 Reorder the terms: -1000 + x = -1095.44511501 Solving -1000 + x = -1095.44511501 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1000' to each side of the equation. -1000 + 1000 + x = -1095.44511501 + 1000 Combine like terms: -1000 + 1000 = 0 0 + x = -1095.44511501 + 1000 x = -1095.44511501 + 1000 Combine like terms: -1095.44511501 + 1000 = -95.44511501 x = -95.44511501 Simplifying x = -95.44511501

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2095.44511501, -95.44511501}

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