x^2-81x-8503056=0

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Solution for x^2-81x-8503056=0 equation:


Simplifying
x2 + -81x + -8503056 = 0

Reorder the terms:
-8503056 + -81x + x2 = 0

Solving
-8503056 + -81x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '8503056' to each side of the equation.
-8503056 + -81x + 8503056 + x2 = 0 + 8503056

Reorder the terms:
-8503056 + 8503056 + -81x + x2 = 0 + 8503056

Combine like terms: -8503056 + 8503056 = 0
0 + -81x + x2 = 0 + 8503056
-81x + x2 = 0 + 8503056

Combine like terms: 0 + 8503056 = 8503056
-81x + x2 = 8503056

The x term is -81x.  Take half its coefficient (-40.5).
Square it (1640.25) and add it to both sides.

Add '1640.25' to each side of the equation.
-81x + 1640.25 + x2 = 8503056 + 1640.25

Reorder the terms:
1640.25 + -81x + x2 = 8503056 + 1640.25

Combine like terms: 8503056 + 1640.25 = 8504696.25
1640.25 + -81x + x2 = 8504696.25

Factor a perfect square on the left side:
(x + -40.5)(x + -40.5) = 8504696.25

Calculate the square root of the right side: 2916.281236438

Break this problem into two subproblems by setting 
(x + -40.5) equal to 2916.281236438 and -2916.281236438.

Subproblem 1

x + -40.5 = 2916.281236438 Simplifying x + -40.5 = 2916.281236438 Reorder the terms: -40.5 + x = 2916.281236438 Solving -40.5 + x = 2916.281236438 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '40.5' to each side of the equation. -40.5 + 40.5 + x = 2916.281236438 + 40.5 Combine like terms: -40.5 + 40.5 = 0.0 0.0 + x = 2916.281236438 + 40.5 x = 2916.281236438 + 40.5 Combine like terms: 2916.281236438 + 40.5 = 2956.781236438 x = 2956.781236438 Simplifying x = 2956.781236438

Subproblem 2

x + -40.5 = -2916.281236438 Simplifying x + -40.5 = -2916.281236438 Reorder the terms: -40.5 + x = -2916.281236438 Solving -40.5 + x = -2916.281236438 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '40.5' to each side of the equation. -40.5 + 40.5 + x = -2916.281236438 + 40.5 Combine like terms: -40.5 + 40.5 = 0.0 0.0 + x = -2916.281236438 + 40.5 x = -2916.281236438 + 40.5 Combine like terms: -2916.281236438 + 40.5 = -2875.781236438 x = -2875.781236438 Simplifying x = -2875.781236438

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2956.781236438, -2875.781236438}

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