(x*x-1000)+(2x-1000)+(2x-1000)=0

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Solution for (x*x-1000)+(2x-1000)+(2x-1000)=0 equation:


Simplifying
(x * x + -1000) + (2x + -1000) + (2x + -1000) = 0

Multiply x * x
(x2 + -1000) + (2x + -1000) + (2x + -1000) = 0

Reorder the terms:
(-1000 + x2) + (2x + -1000) + (2x + -1000) = 0

Remove parenthesis around (-1000 + x2)
-1000 + x2 + (2x + -1000) + (2x + -1000) = 0

Reorder the terms:
-1000 + x2 + (-1000 + 2x) + (2x + -1000) = 0

Remove parenthesis around (-1000 + 2x)
-1000 + x2 + -1000 + 2x + (2x + -1000) = 0

Reorder the terms:
-1000 + x2 + -1000 + 2x + (-1000 + 2x) = 0

Remove parenthesis around (-1000 + 2x)
-1000 + x2 + -1000 + 2x + -1000 + 2x = 0

Reorder the terms:
-1000 + -1000 + -1000 + 2x + 2x + x2 = 0

Combine like terms: -1000 + -1000 = -2000
-2000 + -1000 + 2x + 2x + x2 = 0

Combine like terms: -2000 + -1000 = -3000
-3000 + 2x + 2x + x2 = 0

Combine like terms: 2x + 2x = 4x
-3000 + 4x + x2 = 0

Solving
-3000 + 4x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3000' to each side of the equation.
-3000 + 4x + 3000 + x2 = 0 + 3000

Reorder the terms:
-3000 + 3000 + 4x + x2 = 0 + 3000

Combine like terms: -3000 + 3000 = 0
0 + 4x + x2 = 0 + 3000
4x + x2 = 0 + 3000

Combine like terms: 0 + 3000 = 3000
4x + x2 = 3000

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = 3000 + 4

Reorder the terms:
4 + 4x + x2 = 3000 + 4

Combine like terms: 3000 + 4 = 3004
4 + 4x + x2 = 3004

Factor a perfect square on the left side:
(x + 2)(x + 2) = 3004

Calculate the square root of the right side: 54.808758424

Break this problem into two subproblems by setting 
(x + 2) equal to 54.808758424 and -54.808758424.

Subproblem 1

x + 2 = 54.808758424 Simplifying x + 2 = 54.808758424 Reorder the terms: 2 + x = 54.808758424 Solving 2 + x = 54.808758424 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 54.808758424 + -2 Combine like terms: 2 + -2 = 0 0 + x = 54.808758424 + -2 x = 54.808758424 + -2 Combine like terms: 54.808758424 + -2 = 52.808758424 x = 52.808758424 Simplifying x = 52.808758424

Subproblem 2

x + 2 = -54.808758424 Simplifying x + 2 = -54.808758424 Reorder the terms: 2 + x = -54.808758424 Solving 2 + x = -54.808758424 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -54.808758424 + -2 Combine like terms: 2 + -2 = 0 0 + x = -54.808758424 + -2 x = -54.808758424 + -2 Combine like terms: -54.808758424 + -2 = -56.808758424 x = -56.808758424 Simplifying x = -56.808758424

Solution

The solution to the problem is based on the solutions from the subproblems. x = {52.808758424, -56.808758424}

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