x^2-200x-2000=0

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Solution for x^2-200x-2000=0 equation:


Simplifying
x2 + -200x + -2000 = 0

Reorder the terms:
-2000 + -200x + x2 = 0

Solving
-2000 + -200x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '2000' to each side of the equation.
-2000 + -200x + 2000 + x2 = 0 + 2000

Reorder the terms:
-2000 + 2000 + -200x + x2 = 0 + 2000

Combine like terms: -2000 + 2000 = 0
0 + -200x + x2 = 0 + 2000
-200x + x2 = 0 + 2000

Combine like terms: 0 + 2000 = 2000
-200x + x2 = 2000

The x term is -200x.  Take half its coefficient (-100).
Square it (10000) and add it to both sides.

Add '10000' to each side of the equation.
-200x + 10000 + x2 = 2000 + 10000

Reorder the terms:
10000 + -200x + x2 = 2000 + 10000

Combine like terms: 2000 + 10000 = 12000
10000 + -200x + x2 = 12000

Factor a perfect square on the left side:
(x + -100)(x + -100) = 12000

Calculate the square root of the right side: 109.544511501

Break this problem into two subproblems by setting 
(x + -100) equal to 109.544511501 and -109.544511501.

Subproblem 1

x + -100 = 109.544511501 Simplifying x + -100 = 109.544511501 Reorder the terms: -100 + x = 109.544511501 Solving -100 + x = 109.544511501 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '100' to each side of the equation. -100 + 100 + x = 109.544511501 + 100 Combine like terms: -100 + 100 = 0 0 + x = 109.544511501 + 100 x = 109.544511501 + 100 Combine like terms: 109.544511501 + 100 = 209.544511501 x = 209.544511501 Simplifying x = 209.544511501

Subproblem 2

x + -100 = -109.544511501 Simplifying x + -100 = -109.544511501 Reorder the terms: -100 + x = -109.544511501 Solving -100 + x = -109.544511501 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '100' to each side of the equation. -100 + 100 + x = -109.544511501 + 100 Combine like terms: -100 + 100 = 0 0 + x = -109.544511501 + 100 x = -109.544511501 + 100 Combine like terms: -109.544511501 + 100 = -9.544511501 x = -9.544511501 Simplifying x = -9.544511501

Solution

The solution to the problem is based on the solutions from the subproblems. x = {209.544511501, -9.544511501}

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