x^2-128x+3=0

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Solution for x^2-128x+3=0 equation:


Simplifying
x2 + -128x + 3 = 0

Reorder the terms:
3 + -128x + x2 = 0

Solving
3 + -128x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + -128x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + -128x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -128x + x2 = 0 + -3
-128x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
-128x + x2 = -3

The x term is -128x.  Take half its coefficient (-64).
Square it (4096) and add it to both sides.

Add '4096' to each side of the equation.
-128x + 4096 + x2 = -3 + 4096

Reorder the terms:
4096 + -128x + x2 = -3 + 4096

Combine like terms: -3 + 4096 = 4093
4096 + -128x + x2 = 4093

Factor a perfect square on the left side:
(x + -64)(x + -64) = 4093

Calculate the square root of the right side: 63.976558207

Break this problem into two subproblems by setting 
(x + -64) equal to 63.976558207 and -63.976558207.

Subproblem 1

x + -64 = 63.976558207 Simplifying x + -64 = 63.976558207 Reorder the terms: -64 + x = 63.976558207 Solving -64 + x = 63.976558207 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '64' to each side of the equation. -64 + 64 + x = 63.976558207 + 64 Combine like terms: -64 + 64 = 0 0 + x = 63.976558207 + 64 x = 63.976558207 + 64 Combine like terms: 63.976558207 + 64 = 127.976558207 x = 127.976558207 Simplifying x = 127.976558207

Subproblem 2

x + -64 = -63.976558207 Simplifying x + -64 = -63.976558207 Reorder the terms: -64 + x = -63.976558207 Solving -64 + x = -63.976558207 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '64' to each side of the equation. -64 + 64 + x = -63.976558207 + 64 Combine like terms: -64 + 64 = 0 0 + x = -63.976558207 + 64 x = -63.976558207 + 64 Combine like terms: -63.976558207 + 64 = 0.023441793 x = 0.023441793 Simplifying x = 0.023441793

Solution

The solution to the problem is based on the solutions from the subproblems. x = {127.976558207, 0.023441793}

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