(x)=x^2+5x-250

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Solution for (x)=x^2+5x-250 equation:


Simplifying
(x) = x2 + 5x + -250
x = x2 + 5x + -250

Reorder the terms:
x = -250 + 5x + x2

Solving
x = -250 + 5x + x2

Solving for variable 'x'.

Reorder the terms:
250 + x + -5x + -1x2 = -250 + 5x + x2 + 250 + -5x + -1x2

Combine like terms: x + -5x = -4x
250 + -4x + -1x2 = -250 + 5x + x2 + 250 + -5x + -1x2

Reorder the terms:
250 + -4x + -1x2 = -250 + 250 + 5x + -5x + x2 + -1x2

Combine like terms: -250 + 250 = 0
250 + -4x + -1x2 = 0 + 5x + -5x + x2 + -1x2
250 + -4x + -1x2 = 5x + -5x + x2 + -1x2

Combine like terms: 5x + -5x = 0
250 + -4x + -1x2 = 0 + x2 + -1x2
250 + -4x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
250 + -4x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-250 + 4x + x2 = 0

Move the constant term to the right:

Add '250' to each side of the equation.
-250 + 4x + 250 + x2 = 0 + 250

Reorder the terms:
-250 + 250 + 4x + x2 = 0 + 250

Combine like terms: -250 + 250 = 0
0 + 4x + x2 = 0 + 250
4x + x2 = 0 + 250

Combine like terms: 0 + 250 = 250
4x + x2 = 250

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 = 250 + 4

Reorder the terms:
4 + 4x + x2 = 250 + 4

Combine like terms: 250 + 4 = 254
4 + 4x + x2 = 254

Factor a perfect square on the left side:
(x + 2)(x + 2) = 254

Calculate the square root of the right side: 15.937377451

Break this problem into two subproblems by setting 
(x + 2) equal to 15.937377451 and -15.937377451.

Subproblem 1

x + 2 = 15.937377451 Simplifying x + 2 = 15.937377451 Reorder the terms: 2 + x = 15.937377451 Solving 2 + x = 15.937377451 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 = 15.937377451 + -2 Combine like terms: 2 + -2 = 0 0 + x = 15.937377451 + -2 x = 15.937377451 + -2 Combine like terms: 15.937377451 + -2 = 13.937377451 x = 13.937377451 Simplifying x = 13.937377451

Subproblem 2

x + 2 = -15.937377451 Simplifying x + 2 = -15.937377451 Reorder the terms: 2 + x = -15.937377451 Solving 2 + x = -15.937377451 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 = -15.937377451 + -2 Combine like terms: 2 + -2 = 0 0 + x = -15.937377451 + -2 x = -15.937377451 + -2 Combine like terms: -15.937377451 + -2 = -17.937377451 x = -17.937377451 Simplifying x = -17.937377451

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.937377451, -17.937377451}

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