x^2-200x-10200=0

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Solution for x^2-200x-10200=0 equation:


Simplifying
x2 + -200x + -10200 = 0

Reorder the terms:
-10200 + -200x + x2 = 0

Solving
-10200 + -200x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '10200' to each side of the equation.
-10200 + -200x + 10200 + x2 = 0 + 10200

Reorder the terms:
-10200 + 10200 + -200x + x2 = 0 + 10200

Combine like terms: -10200 + 10200 = 0
0 + -200x + x2 = 0 + 10200
-200x + x2 = 0 + 10200

Combine like terms: 0 + 10200 = 10200
-200x + x2 = 10200

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 = 10200 + 10000

Reorder the terms:
10000 + -200x + x2 = 10200 + 10000

Combine like terms: 10200 + 10000 = 20200
10000 + -200x + x2 = 20200

Factor a perfect square on the left side:
(x + -100)(x + -100) = 20200

Calculate the square root of the right side: 142.126704036

Break this problem into two subproblems by setting 
(x + -100) equal to 142.126704036 and -142.126704036.

Subproblem 1

x + -100 = 142.126704036 Simplifying x + -100 = 142.126704036 Reorder the terms: -100 + x = 142.126704036 Solving -100 + x = 142.126704036 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 = 142.126704036 + 100 Combine like terms: -100 + 100 = 0 0 + x = 142.126704036 + 100 x = 142.126704036 + 100 Combine like terms: 142.126704036 + 100 = 242.126704036 x = 242.126704036 Simplifying x = 242.126704036

Subproblem 2

x + -100 = -142.126704036 Simplifying x + -100 = -142.126704036 Reorder the terms: -100 + x = -142.126704036 Solving -100 + x = -142.126704036 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 = -142.126704036 + 100 Combine like terms: -100 + 100 = 0 0 + x = -142.126704036 + 100 x = -142.126704036 + 100 Combine like terms: -142.126704036 + 100 = -42.126704036 x = -42.126704036 Simplifying x = -42.126704036

Solution

The solution to the problem is based on the solutions from the subproblems. x = {242.126704036, -42.126704036}

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