x^2+200x-15200=0

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Solution for x^2+200x-15200=0 equation:


Simplifying
x2 + 200x + -15200 = 0

Reorder the terms:
-15200 + 200x + x2 = 0

Solving
-15200 + 200x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '15200' to each side of the equation.
-15200 + 200x + 15200 + x2 = 0 + 15200

Reorder the terms:
-15200 + 15200 + 200x + x2 = 0 + 15200

Combine like terms: -15200 + 15200 = 0
0 + 200x + x2 = 0 + 15200
200x + x2 = 0 + 15200

Combine like terms: 0 + 15200 = 15200
200x + x2 = 15200

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 = 15200 + 10000

Reorder the terms:
10000 + 200x + x2 = 15200 + 10000

Combine like terms: 15200 + 10000 = 25200
10000 + 200x + x2 = 25200

Factor a perfect square on the left side:
(x + 100)(x + 100) = 25200

Calculate the square root of the right side: 158.745078664

Break this problem into two subproblems by setting 
(x + 100) equal to 158.745078664 and -158.745078664.

Subproblem 1

x + 100 = 158.745078664 Simplifying x + 100 = 158.745078664 Reorder the terms: 100 + x = 158.745078664 Solving 100 + x = 158.745078664 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 = 158.745078664 + -100 Combine like terms: 100 + -100 = 0 0 + x = 158.745078664 + -100 x = 158.745078664 + -100 Combine like terms: 158.745078664 + -100 = 58.745078664 x = 58.745078664 Simplifying x = 58.745078664

Subproblem 2

x + 100 = -158.745078664 Simplifying x + 100 = -158.745078664 Reorder the terms: 100 + x = -158.745078664 Solving 100 + x = -158.745078664 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 = -158.745078664 + -100 Combine like terms: 100 + -100 = 0 0 + x = -158.745078664 + -100 x = -158.745078664 + -100 Combine like terms: -158.745078664 + -100 = -258.745078664 x = -258.745078664 Simplifying x = -258.745078664

Solution

The solution to the problem is based on the solutions from the subproblems. x = {58.745078664, -258.745078664}

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