x^2-64x+16=0

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Solution for x^2-64x+16=0 equation:


Simplifying
x2 + -64x + 16 = 0

Reorder the terms:
16 + -64x + x2 = 0

Solving
16 + -64x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-16' to each side of the equation.
16 + -64x + -16 + x2 = 0 + -16

Reorder the terms:
16 + -16 + -64x + x2 = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -64x + x2 = 0 + -16
-64x + x2 = 0 + -16

Combine like terms: 0 + -16 = -16
-64x + x2 = -16

The x term is -64x.  Take half its coefficient (-32).
Square it (1024) and add it to both sides.

Add '1024' to each side of the equation.
-64x + 1024 + x2 = -16 + 1024

Reorder the terms:
1024 + -64x + x2 = -16 + 1024

Combine like terms: -16 + 1024 = 1008
1024 + -64x + x2 = 1008

Factor a perfect square on the left side:
(x + -32)(x + -32) = 1008

Calculate the square root of the right side: 31.749015733

Break this problem into two subproblems by setting 
(x + -32) equal to 31.749015733 and -31.749015733.

Subproblem 1

x + -32 = 31.749015733 Simplifying x + -32 = 31.749015733 Reorder the terms: -32 + x = 31.749015733 Solving -32 + x = 31.749015733 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '32' to each side of the equation. -32 + 32 + x = 31.749015733 + 32 Combine like terms: -32 + 32 = 0 0 + x = 31.749015733 + 32 x = 31.749015733 + 32 Combine like terms: 31.749015733 + 32 = 63.749015733 x = 63.749015733 Simplifying x = 63.749015733

Subproblem 2

x + -32 = -31.749015733 Simplifying x + -32 = -31.749015733 Reorder the terms: -32 + x = -31.749015733 Solving -32 + x = -31.749015733 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '32' to each side of the equation. -32 + 32 + x = -31.749015733 + 32 Combine like terms: -32 + 32 = 0 0 + x = -31.749015733 + 32 x = -31.749015733 + 32 Combine like terms: -31.749015733 + 32 = 0.250984267 x = 0.250984267 Simplifying x = 0.250984267

Solution

The solution to the problem is based on the solutions from the subproblems. x = {63.749015733, 0.250984267}

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