2x^2-32x+71=0

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Solution for 2x^2-32x+71=0 equation:


Simplifying
2x2 + -32x + 71 = 0

Reorder the terms:
71 + -32x + 2x2 = 0

Solving
71 + -32x + 2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
35.5 + -16x + x2 = 0

Move the constant term to the right:

Add '-35.5' to each side of the equation.
35.5 + -16x + -35.5 + x2 = 0 + -35.5

Reorder the terms:
35.5 + -35.5 + -16x + x2 = 0 + -35.5

Combine like terms: 35.5 + -35.5 = 0.0
0.0 + -16x + x2 = 0 + -35.5
-16x + x2 = 0 + -35.5

Combine like terms: 0 + -35.5 = -35.5
-16x + x2 = -35.5

The x term is -16x.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16x + 64 + x2 = -35.5 + 64

Reorder the terms:
64 + -16x + x2 = -35.5 + 64

Combine like terms: -35.5 + 64 = 28.5
64 + -16x + x2 = 28.5

Factor a perfect square on the left side:
(x + -8)(x + -8) = 28.5

Calculate the square root of the right side: 5.338539126

Break this problem into two subproblems by setting 
(x + -8) equal to 5.338539126 and -5.338539126.

Subproblem 1

x + -8 = 5.338539126 Simplifying x + -8 = 5.338539126 Reorder the terms: -8 + x = 5.338539126 Solving -8 + x = 5.338539126 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 5.338539126 + 8 Combine like terms: -8 + 8 = 0 0 + x = 5.338539126 + 8 x = 5.338539126 + 8 Combine like terms: 5.338539126 + 8 = 13.338539126 x = 13.338539126 Simplifying x = 13.338539126

Subproblem 2

x + -8 = -5.338539126 Simplifying x + -8 = -5.338539126 Reorder the terms: -8 + x = -5.338539126 Solving -8 + x = -5.338539126 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = -5.338539126 + 8 Combine like terms: -8 + 8 = 0 0 + x = -5.338539126 + 8 x = -5.338539126 + 8 Combine like terms: -5.338539126 + 8 = 2.661460874 x = 2.661460874 Simplifying x = 2.661460874

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.338539126, 2.661460874}

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