2x^2-28x+64=0

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Solution for 2x^2-28x+64=0 equation: 


Simplifying
2x2 + -28x + 64 = 0

Reorder the terms:
64 + -28x + 2x2 = 0

Solving
64 + -28x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(32 + -14x + x2) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(32 + -14x + x2)' equal to zero and attempt to solve:

Simplifying
32 + -14x + x2 = 0

Solving
32 + -14x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-32' to each side of the equation.
32 + -14x + -32 + x2 = 0 + -32

Reorder the terms:
32 + -32 + -14x + x2 = 0 + -32

Combine like terms: 32 + -32 = 0
0 + -14x + x2 = 0 + -32
-14x + x2 = 0 + -32

Combine like terms: 0 + -32 = -32
-14x + x2 = -32

The x term is -14x.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14x + 49 + x2 = -32 + 49

Reorder the terms:
49 + -14x + x2 = -32 + 49

Combine like terms: -32 + 49 = 17
49 + -14x + x2 = 17

Factor a perfect square on the left side:
(x + -7)(x + -7) = 17

Calculate the square root of the right side: 4.123105626

Break this problem into two subproblems by setting 
(x + -7) equal to 4.123105626 and -4.123105626.


Subproblem 1
x + -7 = 4.123105626

Simplifying
x + -7 = 4.123105626

Reorder the terms:
-7 + x = 4.123105626

Solving
-7 + x = 4.123105626

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + x = 4.123105626 + 7

Combine like terms: -7 + 7 = 0
0 + x = 4.123105626 + 7
x = 4.123105626 + 7

Combine like terms: 4.123105626 + 7 = 11.123105626
x = 11.123105626

Simplifying
x = 11.123105626


Subproblem 2
x + -7 = -4.123105626

Simplifying
x + -7 = -4.123105626

Reorder the terms:
-7 + x = -4.123105626

Solving
-7 + x = -4.123105626

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + x = -4.123105626 + 7

Combine like terms: -7 + 7 = 0
0 + x = -4.123105626 + 7
x = -4.123105626 + 7

Combine like terms: -4.123105626 + 7 = 2.876894374
x = 2.876894374

Simplifying
x = 2.876894374


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {11.123105626, 2.876894374}
Solution
x = {11.123105626, 2.876894374}

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