x=1520x-x^2-108000

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Solution for x=1520x-x^2-108000 equation:


Simplifying
x = 1520x + -1x2 + -108000

Reorder the terms:
x = -108000 + 1520x + -1x2

Solving
x = -108000 + 1520x + -1x2

Solving for variable 'x'.

Reorder the terms:
108000 + x + -1520x + x2 = -108000 + 1520x + -1x2 + 108000 + -1520x + x2

Combine like terms: x + -1520x = -1519x
108000 + -1519x + x2 = -108000 + 1520x + -1x2 + 108000 + -1520x + x2

Reorder the terms:
108000 + -1519x + x2 = -108000 + 108000 + 1520x + -1520x + -1x2 + x2

Combine like terms: -108000 + 108000 = 0
108000 + -1519x + x2 = 0 + 1520x + -1520x + -1x2 + x2
108000 + -1519x + x2 = 1520x + -1520x + -1x2 + x2

Combine like terms: 1520x + -1520x = 0
108000 + -1519x + x2 = 0 + -1x2 + x2
108000 + -1519x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
108000 + -1519x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-108000' to each side of the equation.
108000 + -1519x + -108000 + x2 = 0 + -108000

Reorder the terms:
108000 + -108000 + -1519x + x2 = 0 + -108000

Combine like terms: 108000 + -108000 = 0
0 + -1519x + x2 = 0 + -108000
-1519x + x2 = 0 + -108000

Combine like terms: 0 + -108000 = -108000
-1519x + x2 = -108000

The x term is -1519x.  Take half its coefficient (-759.5).
Square it (576840.25) and add it to both sides.

Add '576840.25' to each side of the equation.
-1519x + 576840.25 + x2 = -108000 + 576840.25

Reorder the terms:
576840.25 + -1519x + x2 = -108000 + 576840.25

Combine like terms: -108000 + 576840.25 = 468840.25
576840.25 + -1519x + x2 = 468840.25

Factor a perfect square on the left side:
(x + -759.5)(x + -759.5) = 468840.25

Calculate the square root of the right side: 684.71910299

Break this problem into two subproblems by setting 
(x + -759.5) equal to 684.71910299 and -684.71910299.

Subproblem 1

x + -759.5 = 684.71910299 Simplifying x + -759.5 = 684.71910299 Reorder the terms: -759.5 + x = 684.71910299 Solving -759.5 + x = 684.71910299 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '759.5' to each side of the equation. -759.5 + 759.5 + x = 684.71910299 + 759.5 Combine like terms: -759.5 + 759.5 = 0.0 0.0 + x = 684.71910299 + 759.5 x = 684.71910299 + 759.5 Combine like terms: 684.71910299 + 759.5 = 1444.21910299 x = 1444.21910299 Simplifying x = 1444.21910299

Subproblem 2

x + -759.5 = -684.71910299 Simplifying x + -759.5 = -684.71910299 Reorder the terms: -759.5 + x = -684.71910299 Solving -759.5 + x = -684.71910299 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '759.5' to each side of the equation. -759.5 + 759.5 + x = -684.71910299 + 759.5 Combine like terms: -759.5 + 759.5 = 0.0 0.0 + x = -684.71910299 + 759.5 x = -684.71910299 + 759.5 Combine like terms: -684.71910299 + 759.5 = 74.78089701 x = 74.78089701 Simplifying x = 74.78089701

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1444.21910299, 74.78089701}

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