x^2-32x-256=0

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Solution for x^2-32x-256=0 equation:


Simplifying
x2 + -32x + -256 = 0

Reorder the terms:
-256 + -32x + x2 = 0

Solving
-256 + -32x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '256' to each side of the equation.
-256 + -32x + 256 + x2 = 0 + 256

Reorder the terms:
-256 + 256 + -32x + x2 = 0 + 256

Combine like terms: -256 + 256 = 0
0 + -32x + x2 = 0 + 256
-32x + x2 = 0 + 256

Combine like terms: 0 + 256 = 256
-32x + x2 = 256

The x term is -32x.  Take half its coefficient (-16).
Square it (256) and add it to both sides.

Add '256' to each side of the equation.
-32x + 256 + x2 = 256 + 256

Reorder the terms:
256 + -32x + x2 = 256 + 256

Combine like terms: 256 + 256 = 512
256 + -32x + x2 = 512

Factor a perfect square on the left side:
(x + -16)(x + -16) = 512

Calculate the square root of the right side: 22.627416998

Break this problem into two subproblems by setting 
(x + -16) equal to 22.627416998 and -22.627416998.

Subproblem 1

x + -16 = 22.627416998 Simplifying x + -16 = 22.627416998 Reorder the terms: -16 + x = 22.627416998 Solving -16 + x = 22.627416998 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + x = 22.627416998 + 16 Combine like terms: -16 + 16 = 0 0 + x = 22.627416998 + 16 x = 22.627416998 + 16 Combine like terms: 22.627416998 + 16 = 38.627416998 x = 38.627416998 Simplifying x = 38.627416998

Subproblem 2

x + -16 = -22.627416998 Simplifying x + -16 = -22.627416998 Reorder the terms: -16 + x = -22.627416998 Solving -16 + x = -22.627416998 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + x = -22.627416998 + 16 Combine like terms: -16 + 16 = 0 0 + x = -22.627416998 + 16 x = -22.627416998 + 16 Combine like terms: -22.627416998 + 16 = -6.627416998 x = -6.627416998 Simplifying x = -6.627416998

Solution

The solution to the problem is based on the solutions from the subproblems. x = {38.627416998, -6.627416998}

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