4x^2-32x+11=0

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Solution for 4x^2-32x+11=0 equation:


Simplifying
4x2 + -32x + 11 = 0

Reorder the terms:
11 + -32x + 4x2 = 0

Solving
11 + -32x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
2.75 + -8x + x2 = 0

Move the constant term to the right:

Add '-2.75' to each side of the equation.
2.75 + -8x + -2.75 + x2 = 0 + -2.75

Reorder the terms:
2.75 + -2.75 + -8x + x2 = 0 + -2.75

Combine like terms: 2.75 + -2.75 = 0.00
0.00 + -8x + x2 = 0 + -2.75
-8x + x2 = 0 + -2.75

Combine like terms: 0 + -2.75 = -2.75
-8x + x2 = -2.75

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = -2.75 + 16

Reorder the terms:
16 + -8x + x2 = -2.75 + 16

Combine like terms: -2.75 + 16 = 13.25
16 + -8x + x2 = 13.25

Factor a perfect square on the left side:
(x + -4)(x + -4) = 13.25

Calculate the square root of the right side: 3.640054945

Break this problem into two subproblems by setting 
(x + -4) equal to 3.640054945 and -3.640054945.

Subproblem 1

x + -4 = 3.640054945 Simplifying x + -4 = 3.640054945 Reorder the terms: -4 + x = 3.640054945 Solving -4 + x = 3.640054945 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 3.640054945 + 4 Combine like terms: -4 + 4 = 0 0 + x = 3.640054945 + 4 x = 3.640054945 + 4 Combine like terms: 3.640054945 + 4 = 7.640054945 x = 7.640054945 Simplifying x = 7.640054945

Subproblem 2

x + -4 = -3.640054945 Simplifying x + -4 = -3.640054945 Reorder the terms: -4 + x = -3.640054945 Solving -4 + x = -3.640054945 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -3.640054945 + 4 Combine like terms: -4 + 4 = 0 0 + x = -3.640054945 + 4 x = -3.640054945 + 4 Combine like terms: -3.640054945 + 4 = 0.359945055 x = 0.359945055 Simplifying x = 0.359945055

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.640054945, 0.359945055}

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