18y^2-33y+10=0

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Solution for 18y^2-33y+10=0 equation:


Simplifying
18y2 + -33y + 10 = 0

Reorder the terms:
10 + -33y + 18y2 = 0

Solving
10 + -33y + 18y2 = 0

Solving for variable 'y'.

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

Divide each side by '18'.
0.5555555556 + -1.833333333y + y2 = 0

Move the constant term to the right:

Add '-0.5555555556' to each side of the equation.
0.5555555556 + -1.833333333y + -0.5555555556 + y2 = 0 + -0.5555555556

Reorder the terms:
0.5555555556 + -0.5555555556 + -1.833333333y + y2 = 0 + -0.5555555556

Combine like terms: 0.5555555556 + -0.5555555556 = 0.0000000000
0.0000000000 + -1.833333333y + y2 = 0 + -0.5555555556
-1.833333333y + y2 = 0 + -0.5555555556

Combine like terms: 0 + -0.5555555556 = -0.5555555556
-1.833333333y + y2 = -0.5555555556

The y term is -1.833333333y.  Take half its coefficient (-0.9166666665).
Square it (0.8402777775) and add it to both sides.

Add '0.8402777775' to each side of the equation.
-1.833333333y + 0.8402777775 + y2 = -0.5555555556 + 0.8402777775

Reorder the terms:
0.8402777775 + -1.833333333y + y2 = -0.5555555556 + 0.8402777775

Combine like terms: -0.5555555556 + 0.8402777775 = 0.2847222219
0.8402777775 + -1.833333333y + y2 = 0.2847222219

Factor a perfect square on the left side:
(y + -0.9166666665)(y + -0.9166666665) = 0.2847222219

Calculate the square root of the right side: 0.533593686

Break this problem into two subproblems by setting 
(y + -0.9166666665) equal to 0.533593686 and -0.533593686.

Subproblem 1

y + -0.9166666665 = 0.533593686 Simplifying y + -0.9166666665 = 0.533593686 Reorder the terms: -0.9166666665 + y = 0.533593686 Solving -0.9166666665 + y = 0.533593686 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '0.9166666665' to each side of the equation. -0.9166666665 + 0.9166666665 + y = 0.533593686 + 0.9166666665 Combine like terms: -0.9166666665 + 0.9166666665 = 0.0000000000 0.0000000000 + y = 0.533593686 + 0.9166666665 y = 0.533593686 + 0.9166666665 Combine like terms: 0.533593686 + 0.9166666665 = 1.4502603525 y = 1.4502603525 Simplifying y = 1.4502603525

Subproblem 2

y + -0.9166666665 = -0.533593686 Simplifying y + -0.9166666665 = -0.533593686 Reorder the terms: -0.9166666665 + y = -0.533593686 Solving -0.9166666665 + y = -0.533593686 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '0.9166666665' to each side of the equation. -0.9166666665 + 0.9166666665 + y = -0.533593686 + 0.9166666665 Combine like terms: -0.9166666665 + 0.9166666665 = 0.0000000000 0.0000000000 + y = -0.533593686 + 0.9166666665 y = -0.533593686 + 0.9166666665 Combine like terms: -0.533593686 + 0.9166666665 = 0.3830729805 y = 0.3830729805 Simplifying y = 0.3830729805

Solution

The solution to the problem is based on the solutions from the subproblems. y = {1.4502603525, 0.3830729805}

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