2*x^2-268*x-5645=0

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Solution for 2*x^2-268*x-5645=0 equation:


Simplifying
2x2 + -268x + -5645 = 0

Reorder the terms:
-5645 + -268x + 2x2 = 0

Solving
-5645 + -268x + 2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
-2822.5 + -134x + x2 = 0

Move the constant term to the right:

Add '2822.5' to each side of the equation.
-2822.5 + -134x + 2822.5 + x2 = 0 + 2822.5

Reorder the terms:
-2822.5 + 2822.5 + -134x + x2 = 0 + 2822.5

Combine like terms: -2822.5 + 2822.5 = 0.0
0.0 + -134x + x2 = 0 + 2822.5
-134x + x2 = 0 + 2822.5

Combine like terms: 0 + 2822.5 = 2822.5
-134x + x2 = 2822.5

The x term is -134x.  Take half its coefficient (-67).
Square it (4489) and add it to both sides.

Add '4489' to each side of the equation.
-134x + 4489 + x2 = 2822.5 + 4489

Reorder the terms:
4489 + -134x + x2 = 2822.5 + 4489

Combine like terms: 2822.5 + 4489 = 7311.5
4489 + -134x + x2 = 7311.5

Factor a perfect square on the left side:
(x + -67)(x + -67) = 7311.5

Calculate the square root of the right side: 85.507309629

Break this problem into two subproblems by setting 
(x + -67) equal to 85.507309629 and -85.507309629.

Subproblem 1

x + -67 = 85.507309629 Simplifying x + -67 = 85.507309629 Reorder the terms: -67 + x = 85.507309629 Solving -67 + x = 85.507309629 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '67' to each side of the equation. -67 + 67 + x = 85.507309629 + 67 Combine like terms: -67 + 67 = 0 0 + x = 85.507309629 + 67 x = 85.507309629 + 67 Combine like terms: 85.507309629 + 67 = 152.507309629 x = 152.507309629 Simplifying x = 152.507309629

Subproblem 2

x + -67 = -85.507309629 Simplifying x + -67 = -85.507309629 Reorder the terms: -67 + x = -85.507309629 Solving -67 + x = -85.507309629 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '67' to each side of the equation. -67 + 67 + x = -85.507309629 + 67 Combine like terms: -67 + 67 = 0 0 + x = -85.507309629 + 67 x = -85.507309629 + 67 Combine like terms: -85.507309629 + 67 = -18.507309629 x = -18.507309629 Simplifying x = -18.507309629

Solution

The solution to the problem is based on the solutions from the subproblems. x = {152.507309629, -18.507309629}

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