x^2+529x-65=0

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Solution for x^2+529x-65=0 equation:


Simplifying
x2 + 529x + -65 = 0

Reorder the terms:
-65 + 529x + x2 = 0

Solving
-65 + 529x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '65' to each side of the equation.
-65 + 529x + 65 + x2 = 0 + 65

Reorder the terms:
-65 + 65 + 529x + x2 = 0 + 65

Combine like terms: -65 + 65 = 0
0 + 529x + x2 = 0 + 65
529x + x2 = 0 + 65

Combine like terms: 0 + 65 = 65
529x + x2 = 65

The x term is 529x.  Take half its coefficient (264.5).
Square it (69960.25) and add it to both sides.

Add '69960.25' to each side of the equation.
529x + 69960.25 + x2 = 65 + 69960.25

Reorder the terms:
69960.25 + 529x + x2 = 65 + 69960.25

Combine like terms: 65 + 69960.25 = 70025.25
69960.25 + 529x + x2 = 70025.25

Factor a perfect square on the left side:
(x + 264.5)(x + 264.5) = 70025.25

Calculate the square root of the right side: 264.622844819

Break this problem into two subproblems by setting 
(x + 264.5) equal to 264.622844819 and -264.622844819.

Subproblem 1

x + 264.5 = 264.622844819 Simplifying x + 264.5 = 264.622844819 Reorder the terms: 264.5 + x = 264.622844819 Solving 264.5 + x = 264.622844819 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-264.5' to each side of the equation. 264.5 + -264.5 + x = 264.622844819 + -264.5 Combine like terms: 264.5 + -264.5 = 0.0 0.0 + x = 264.622844819 + -264.5 x = 264.622844819 + -264.5 Combine like terms: 264.622844819 + -264.5 = 0.122844819 x = 0.122844819 Simplifying x = 0.122844819

Subproblem 2

x + 264.5 = -264.622844819 Simplifying x + 264.5 = -264.622844819 Reorder the terms: 264.5 + x = -264.622844819 Solving 264.5 + x = -264.622844819 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-264.5' to each side of the equation. 264.5 + -264.5 + x = -264.622844819 + -264.5 Combine like terms: 264.5 + -264.5 = 0.0 0.0 + x = -264.622844819 + -264.5 x = -264.622844819 + -264.5 Combine like terms: -264.622844819 + -264.5 = -529.122844819 x = -529.122844819 Simplifying x = -529.122844819

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.122844819, -529.122844819}

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