x^2+82x-525=0

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Solution for x^2+82x-525=0 equation:


Simplifying
x2 + 82x + -525 = 0

Reorder the terms:
-525 + 82x + x2 = 0

Solving
-525 + 82x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '525' to each side of the equation.
-525 + 82x + 525 + x2 = 0 + 525

Reorder the terms:
-525 + 525 + 82x + x2 = 0 + 525

Combine like terms: -525 + 525 = 0
0 + 82x + x2 = 0 + 525
82x + x2 = 0 + 525

Combine like terms: 0 + 525 = 525
82x + x2 = 525

The x term is 82x.  Take half its coefficient (41).
Square it (1681) and add it to both sides.

Add '1681' to each side of the equation.
82x + 1681 + x2 = 525 + 1681

Reorder the terms:
1681 + 82x + x2 = 525 + 1681

Combine like terms: 525 + 1681 = 2206
1681 + 82x + x2 = 2206

Factor a perfect square on the left side:
(x + 41)(x + 41) = 2206

Calculate the square root of the right side: 46.968074263

Break this problem into two subproblems by setting 
(x + 41) equal to 46.968074263 and -46.968074263.

Subproblem 1

x + 41 = 46.968074263 Simplifying x + 41 = 46.968074263 Reorder the terms: 41 + x = 46.968074263 Solving 41 + x = 46.968074263 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-41' to each side of the equation. 41 + -41 + x = 46.968074263 + -41 Combine like terms: 41 + -41 = 0 0 + x = 46.968074263 + -41 x = 46.968074263 + -41 Combine like terms: 46.968074263 + -41 = 5.968074263 x = 5.968074263 Simplifying x = 5.968074263

Subproblem 2

x + 41 = -46.968074263 Simplifying x + 41 = -46.968074263 Reorder the terms: 41 + x = -46.968074263 Solving 41 + x = -46.968074263 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-41' to each side of the equation. 41 + -41 + x = -46.968074263 + -41 Combine like terms: 41 + -41 = 0 0 + x = -46.968074263 + -41 x = -46.968074263 + -41 Combine like terms: -46.968074263 + -41 = -87.968074263 x = -87.968074263 Simplifying x = -87.968074263

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.968074263, -87.968074263}

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