x^2-x-250=0

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Solution for x^2-x-250=0 equation:


Simplifying
x2 + -1x + -250 = 0

Reorder the terms:
-250 + -1x + x2 = 0

Solving
-250 + -1x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '250' to each side of the equation.
-250 + -1x + 250 + x2 = 0 + 250

Reorder the terms:
-250 + 250 + -1x + x2 = 0 + 250

Combine like terms: -250 + 250 = 0
0 + -1x + x2 = 0 + 250
-1x + x2 = 0 + 250

Combine like terms: 0 + 250 = 250
-1x + x2 = 250

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 250 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 250 + 0.25

Combine like terms: 250 + 0.25 = 250.25
0.25 + -1x + x2 = 250.25

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 250.25

Calculate the square root of the right side: 15.81929202

Break this problem into two subproblems by setting 
(x + -0.5) equal to 15.81929202 and -15.81929202.

Subproblem 1

x + -0.5 = 15.81929202 Simplifying x + -0.5 = 15.81929202 Reorder the terms: -0.5 + x = 15.81929202 Solving -0.5 + x = 15.81929202 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 15.81929202 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 15.81929202 + 0.5 x = 15.81929202 + 0.5 Combine like terms: 15.81929202 + 0.5 = 16.31929202 x = 16.31929202 Simplifying x = 16.31929202

Subproblem 2

x + -0.5 = -15.81929202 Simplifying x + -0.5 = -15.81929202 Reorder the terms: -0.5 + x = -15.81929202 Solving -0.5 + x = -15.81929202 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -15.81929202 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -15.81929202 + 0.5 x = -15.81929202 + 0.5 Combine like terms: -15.81929202 + 0.5 = -15.31929202 x = -15.31929202 Simplifying x = -15.31929202

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.31929202, -15.31929202}

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