11x^2-34x+13=0

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Solution for 11x^2-34x+13=0 equation:


Simplifying
11x2 + -34x + 13 = 0

Reorder the terms:
13 + -34x + 11x2 = 0

Solving
13 + -34x + 11x2 = 0

Solving for variable 'x'.

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

Divide each side by '11'.
1.181818182 + -3.090909091x + x2 = 0

Move the constant term to the right:

Add '-1.181818182' to each side of the equation.
1.181818182 + -3.090909091x + -1.181818182 + x2 = 0 + -1.181818182

Reorder the terms:
1.181818182 + -1.181818182 + -3.090909091x + x2 = 0 + -1.181818182

Combine like terms: 1.181818182 + -1.181818182 = 0.000000000
0.000000000 + -3.090909091x + x2 = 0 + -1.181818182
-3.090909091x + x2 = 0 + -1.181818182

Combine like terms: 0 + -1.181818182 = -1.181818182
-3.090909091x + x2 = -1.181818182

The x term is -3.090909091x.  Take half its coefficient (-1.545454546).
Square it (2.388429754) and add it to both sides.

Add '2.388429754' to each side of the equation.
-3.090909091x + 2.388429754 + x2 = -1.181818182 + 2.388429754

Reorder the terms:
2.388429754 + -3.090909091x + x2 = -1.181818182 + 2.388429754

Combine like terms: -1.181818182 + 2.388429754 = 1.206611572
2.388429754 + -3.090909091x + x2 = 1.206611572

Factor a perfect square on the left side:
(x + -1.545454546)(x + -1.545454546) = 1.206611572

Calculate the square root of the right side: 1.098458726

Break this problem into two subproblems by setting 
(x + -1.545454546) equal to 1.098458726 and -1.098458726.

Subproblem 1

x + -1.545454546 = 1.098458726 Simplifying x + -1.545454546 = 1.098458726 Reorder the terms: -1.545454546 + x = 1.098458726 Solving -1.545454546 + x = 1.098458726 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.545454546' to each side of the equation. -1.545454546 + 1.545454546 + x = 1.098458726 + 1.545454546 Combine like terms: -1.545454546 + 1.545454546 = 0.000000000 0.000000000 + x = 1.098458726 + 1.545454546 x = 1.098458726 + 1.545454546 Combine like terms: 1.098458726 + 1.545454546 = 2.643913272 x = 2.643913272 Simplifying x = 2.643913272

Subproblem 2

x + -1.545454546 = -1.098458726 Simplifying x + -1.545454546 = -1.098458726 Reorder the terms: -1.545454546 + x = -1.098458726 Solving -1.545454546 + x = -1.098458726 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.545454546' to each side of the equation. -1.545454546 + 1.545454546 + x = -1.098458726 + 1.545454546 Combine like terms: -1.545454546 + 1.545454546 = 0.000000000 0.000000000 + x = -1.098458726 + 1.545454546 x = -1.098458726 + 1.545454546 Combine like terms: -1.098458726 + 1.545454546 = 0.44699582 x = 0.44699582 Simplifying x = 0.44699582

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.643913272, 0.44699582}

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