256x^2-6561x+256=0

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Solution for 256x^2-6561x+256=0 equation:


Simplifying
256x2 + -6561x + 256 = 0

Reorder the terms:
256 + -6561x + 256x2 = 0

Solving
256 + -6561x + 256x2 = 0

Solving for variable 'x'.

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

Divide each side by '256'.
1 + -25.62890625x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -25.62890625x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -25.62890625x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -25.62890625x + x2 = 0 + -1
-25.62890625x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-25.62890625x + x2 = -1

The x term is -25.62890625x.  Take half its coefficient (-12.81445313).
Square it (164.2102090) and add it to both sides.

Add '164.2102090' to each side of the equation.
-25.62890625x + 164.2102090 + x2 = -1 + 164.2102090

Reorder the terms:
164.2102090 + -25.62890625x + x2 = -1 + 164.2102090

Combine like terms: -1 + 164.2102090 = 163.210209
164.2102090 + -25.62890625x + x2 = 163.210209

Factor a perfect square on the left side:
(x + -12.81445313)(x + -12.81445313) = 163.210209

Calculate the square root of the right side: 12.775375102

Break this problem into two subproblems by setting 
(x + -12.81445313) equal to 12.775375102 and -12.775375102.

Subproblem 1

x + -12.81445313 = 12.775375102 Simplifying x + -12.81445313 = 12.775375102 Reorder the terms: -12.81445313 + x = 12.775375102 Solving -12.81445313 + x = 12.775375102 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12.81445313' to each side of the equation. -12.81445313 + 12.81445313 + x = 12.775375102 + 12.81445313 Combine like terms: -12.81445313 + 12.81445313 = 0.00000000 0.00000000 + x = 12.775375102 + 12.81445313 x = 12.775375102 + 12.81445313 Combine like terms: 12.775375102 + 12.81445313 = 25.589828232 x = 25.589828232 Simplifying x = 25.589828232

Subproblem 2

x + -12.81445313 = -12.775375102 Simplifying x + -12.81445313 = -12.775375102 Reorder the terms: -12.81445313 + x = -12.775375102 Solving -12.81445313 + x = -12.775375102 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12.81445313' to each side of the equation. -12.81445313 + 12.81445313 + x = -12.775375102 + 12.81445313 Combine like terms: -12.81445313 + 12.81445313 = 0.00000000 0.00000000 + x = -12.775375102 + 12.81445313 x = -12.775375102 + 12.81445313 Combine like terms: -12.775375102 + 12.81445313 = 0.039078028 x = 0.039078028 Simplifying x = 0.039078028

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.589828232, 0.039078028}

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