X^2+100X-22400=0

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Solution for X^2+100X-22400=0 equation:


Simplifying
X2 + 100X + -22400 = 0

Reorder the terms:
-22400 + 100X + X2 = 0

Solving
-22400 + 100X + X2 = 0

Solving for variable 'X'.

Begin completing the square.

Move the constant term to the right:

Add '22400' to each side of the equation.
-22400 + 100X + 22400 + X2 = 0 + 22400

Reorder the terms:
-22400 + 22400 + 100X + X2 = 0 + 22400

Combine like terms: -22400 + 22400 = 0
0 + 100X + X2 = 0 + 22400
100X + X2 = 0 + 22400

Combine like terms: 0 + 22400 = 22400
100X + X2 = 22400

The X term is 100X.  Take half its coefficient (50).
Square it (2500) and add it to both sides.

Add '2500' to each side of the equation.
100X + 2500 + X2 = 22400 + 2500

Reorder the terms:
2500 + 100X + X2 = 22400 + 2500

Combine like terms: 22400 + 2500 = 24900
2500 + 100X + X2 = 24900

Factor a perfect square on the left side:
(X + 50)(X + 50) = 24900

Calculate the square root of the right side: 157.797338381

Break this problem into two subproblems by setting 
(X + 50) equal to 157.797338381 and -157.797338381.

Subproblem 1

X + 50 = 157.797338381 Simplifying X + 50 = 157.797338381 Reorder the terms: 50 + X = 157.797338381 Solving 50 + X = 157.797338381 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-50' to each side of the equation. 50 + -50 + X = 157.797338381 + -50 Combine like terms: 50 + -50 = 0 0 + X = 157.797338381 + -50 X = 157.797338381 + -50 Combine like terms: 157.797338381 + -50 = 107.797338381 X = 107.797338381 Simplifying X = 107.797338381

Subproblem 2

X + 50 = -157.797338381 Simplifying X + 50 = -157.797338381 Reorder the terms: 50 + X = -157.797338381 Solving 50 + X = -157.797338381 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-50' to each side of the equation. 50 + -50 + X = -157.797338381 + -50 Combine like terms: 50 + -50 = 0 0 + X = -157.797338381 + -50 X = -157.797338381 + -50 Combine like terms: -157.797338381 + -50 = -207.797338381 X = -207.797338381 Simplifying X = -207.797338381

Solution

The solution to the problem is based on the solutions from the subproblems. X = {107.797338381, -207.797338381}

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