11y^2-12y+2=0

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Solution for 11y^2-12y+2=0 equation:


Simplifying
11y2 + -12y + 2 = 0

Reorder the terms:
2 + -12y + 11y2 = 0

Solving
2 + -12y + 11y2 = 0

Solving for variable 'y'.

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

Divide each side by '11'.
0.1818181818 + -1.090909091y + y2 = 0

Move the constant term to the right:

Add '-0.1818181818' to each side of the equation.
0.1818181818 + -1.090909091y + -0.1818181818 + y2 = 0 + -0.1818181818

Reorder the terms:
0.1818181818 + -0.1818181818 + -1.090909091y + y2 = 0 + -0.1818181818

Combine like terms: 0.1818181818 + -0.1818181818 = 0.0000000000
0.0000000000 + -1.090909091y + y2 = 0 + -0.1818181818
-1.090909091y + y2 = 0 + -0.1818181818

Combine like terms: 0 + -0.1818181818 = -0.1818181818
-1.090909091y + y2 = -0.1818181818

The y term is -1.090909091y.  Take half its coefficient (-0.5454545455).
Square it (0.2975206612) and add it to both sides.

Add '0.2975206612' to each side of the equation.
-1.090909091y + 0.2975206612 + y2 = -0.1818181818 + 0.2975206612

Reorder the terms:
0.2975206612 + -1.090909091y + y2 = -0.1818181818 + 0.2975206612

Combine like terms: -0.1818181818 + 0.2975206612 = 0.1157024794
0.2975206612 + -1.090909091y + y2 = 0.1157024794

Factor a perfect square on the left side:
(y + -0.5454545455)(y + -0.5454545455) = 0.1157024794

Calculate the square root of the right side: 0.340150672

Break this problem into two subproblems by setting 
(y + -0.5454545455) equal to 0.340150672 and -0.340150672.

Subproblem 1

y + -0.5454545455 = 0.340150672 Simplifying y + -0.5454545455 = 0.340150672 Reorder the terms: -0.5454545455 + y = 0.340150672 Solving -0.5454545455 + y = 0.340150672 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '0.5454545455' to each side of the equation. -0.5454545455 + 0.5454545455 + y = 0.340150672 + 0.5454545455 Combine like terms: -0.5454545455 + 0.5454545455 = 0.0000000000 0.0000000000 + y = 0.340150672 + 0.5454545455 y = 0.340150672 + 0.5454545455 Combine like terms: 0.340150672 + 0.5454545455 = 0.8856052175 y = 0.8856052175 Simplifying y = 0.8856052175

Subproblem 2

y + -0.5454545455 = -0.340150672 Simplifying y + -0.5454545455 = -0.340150672 Reorder the terms: -0.5454545455 + y = -0.340150672 Solving -0.5454545455 + y = -0.340150672 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '0.5454545455' to each side of the equation. -0.5454545455 + 0.5454545455 + y = -0.340150672 + 0.5454545455 Combine like terms: -0.5454545455 + 0.5454545455 = 0.0000000000 0.0000000000 + y = -0.340150672 + 0.5454545455 y = -0.340150672 + 0.5454545455 Combine like terms: -0.340150672 + 0.5454545455 = 0.2053038735 y = 0.2053038735 Simplifying y = 0.2053038735

Solution

The solution to the problem is based on the solutions from the subproblems. y = {0.8856052175, 0.2053038735}

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