11x^2-14x+2=0

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Solution for 11x^2-14x+2=0 equation:


Simplifying
11x2 + -14x + 2 = 0

Reorder the terms:
2 + -14x + 11x2 = 0

Solving
2 + -14x + 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'.
0.1818181818 + -1.272727273x + x2 = 0

Move the constant term to the right:

Add '-0.1818181818' to each side of the equation.
0.1818181818 + -1.272727273x + -0.1818181818 + x2 = 0 + -0.1818181818

Reorder the terms:
0.1818181818 + -0.1818181818 + -1.272727273x + x2 = 0 + -0.1818181818

Combine like terms: 0.1818181818 + -0.1818181818 = 0.0000000000
0.0000000000 + -1.272727273x + x2 = 0 + -0.1818181818
-1.272727273x + x2 = 0 + -0.1818181818

Combine like terms: 0 + -0.1818181818 = -0.1818181818
-1.272727273x + x2 = -0.1818181818

The x term is -1.272727273x.  Take half its coefficient (-0.6363636365).
Square it (0.4049586779) and add it to both sides.

Add '0.4049586779' to each side of the equation.
-1.272727273x + 0.4049586779 + x2 = -0.1818181818 + 0.4049586779

Reorder the terms:
0.4049586779 + -1.272727273x + x2 = -0.1818181818 + 0.4049586779

Combine like terms: -0.1818181818 + 0.4049586779 = 0.2231404961
0.4049586779 + -1.272727273x + x2 = 0.2231404961

Factor a perfect square on the left side:
(x + -0.6363636365)(x + -0.6363636365) = 0.2231404961

Calculate the square root of the right side: 0.472377493

Break this problem into two subproblems by setting 
(x + -0.6363636365) equal to 0.472377493 and -0.472377493.

Subproblem 1

x + -0.6363636365 = 0.472377493 Simplifying x + -0.6363636365 = 0.472377493 Reorder the terms: -0.6363636365 + x = 0.472377493 Solving -0.6363636365 + x = 0.472377493 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6363636365' to each side of the equation. -0.6363636365 + 0.6363636365 + x = 0.472377493 + 0.6363636365 Combine like terms: -0.6363636365 + 0.6363636365 = 0.0000000000 0.0000000000 + x = 0.472377493 + 0.6363636365 x = 0.472377493 + 0.6363636365 Combine like terms: 0.472377493 + 0.6363636365 = 1.1087411295 x = 1.1087411295 Simplifying x = 1.1087411295

Subproblem 2

x + -0.6363636365 = -0.472377493 Simplifying x + -0.6363636365 = -0.472377493 Reorder the terms: -0.6363636365 + x = -0.472377493 Solving -0.6363636365 + x = -0.472377493 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6363636365' to each side of the equation. -0.6363636365 + 0.6363636365 + x = -0.472377493 + 0.6363636365 Combine like terms: -0.6363636365 + 0.6363636365 = 0.0000000000 0.0000000000 + x = -0.472377493 + 0.6363636365 x = -0.472377493 + 0.6363636365 Combine like terms: -0.472377493 + 0.6363636365 = 0.1639861435 x = 0.1639861435 Simplifying x = 0.1639861435

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.1087411295, 0.1639861435}

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