x^2-66x+64=0

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Solution for x^2-66x+64=0 equation:


Simplifying
x2 + -66x + 64 = 0

Reorder the terms:
64 + -66x + x2 = 0

Solving
64 + -66x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-64' to each side of the equation.
64 + -66x + -64 + x2 = 0 + -64

Reorder the terms:
64 + -64 + -66x + x2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -66x + x2 = 0 + -64
-66x + x2 = 0 + -64

Combine like terms: 0 + -64 = -64
-66x + x2 = -64

The x term is -66x.  Take half its coefficient (-33).
Square it (1089) and add it to both sides.

Add '1089' to each side of the equation.
-66x + 1089 + x2 = -64 + 1089

Reorder the terms:
1089 + -66x + x2 = -64 + 1089

Combine like terms: -64 + 1089 = 1025
1089 + -66x + x2 = 1025

Factor a perfect square on the left side:
(x + -33)(x + -33) = 1025

Calculate the square root of the right side: 32.015621187

Break this problem into two subproblems by setting 
(x + -33) equal to 32.015621187 and -32.015621187.

Subproblem 1

x + -33 = 32.015621187 Simplifying x + -33 = 32.015621187 Reorder the terms: -33 + x = 32.015621187 Solving -33 + x = 32.015621187 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '33' to each side of the equation. -33 + 33 + x = 32.015621187 + 33 Combine like terms: -33 + 33 = 0 0 + x = 32.015621187 + 33 x = 32.015621187 + 33 Combine like terms: 32.015621187 + 33 = 65.015621187 x = 65.015621187 Simplifying x = 65.015621187

Subproblem 2

x + -33 = -32.015621187 Simplifying x + -33 = -32.015621187 Reorder the terms: -33 + x = -32.015621187 Solving -33 + x = -32.015621187 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '33' to each side of the equation. -33 + 33 + x = -32.015621187 + 33 Combine like terms: -33 + 33 = 0 0 + x = -32.015621187 + 33 x = -32.015621187 + 33 Combine like terms: -32.015621187 + 33 = 0.984378813 x = 0.984378813 Simplifying x = 0.984378813

Solution

The solution to the problem is based on the solutions from the subproblems. x = {65.015621187, 0.984378813}

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