x^2+82x-832=0

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Solution for x^2+82x-832=0 equation:


Simplifying
x2 + 82x + -832 = 0

Reorder the terms:
-832 + 82x + x2 = 0

Solving
-832 + 82x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '832' to each side of the equation.
-832 + 82x + 832 + x2 = 0 + 832

Reorder the terms:
-832 + 832 + 82x + x2 = 0 + 832

Combine like terms: -832 + 832 = 0
0 + 82x + x2 = 0 + 832
82x + x2 = 0 + 832

Combine like terms: 0 + 832 = 832
82x + x2 = 832

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 = 832 + 1681

Reorder the terms:
1681 + 82x + x2 = 832 + 1681

Combine like terms: 832 + 1681 = 2513
1681 + 82x + x2 = 2513

Factor a perfect square on the left side:
(x + 41)(x + 41) = 2513

Calculate the square root of the right side: 50.129831438

Break this problem into two subproblems by setting 
(x + 41) equal to 50.129831438 and -50.129831438.

Subproblem 1

x + 41 = 50.129831438 Simplifying x + 41 = 50.129831438 Reorder the terms: 41 + x = 50.129831438 Solving 41 + x = 50.129831438 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 = 50.129831438 + -41 Combine like terms: 41 + -41 = 0 0 + x = 50.129831438 + -41 x = 50.129831438 + -41 Combine like terms: 50.129831438 + -41 = 9.129831438 x = 9.129831438 Simplifying x = 9.129831438

Subproblem 2

x + 41 = -50.129831438 Simplifying x + 41 = -50.129831438 Reorder the terms: 41 + x = -50.129831438 Solving 41 + x = -50.129831438 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 = -50.129831438 + -41 Combine like terms: 41 + -41 = 0 0 + x = -50.129831438 + -41 x = -50.129831438 + -41 Combine like terms: -50.129831438 + -41 = -91.129831438 x = -91.129831438 Simplifying x = -91.129831438

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.129831438, -91.129831438}

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