9y^2-294y+1345=0

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Solution for 9y^2-294y+1345=0 equation:


Simplifying
9y2 + -294y + 1345 = 0

Reorder the terms:
1345 + -294y + 9y2 = 0

Solving
1345 + -294y + 9y2 = 0

Solving for variable 'y'.

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

Divide each side by '9'.
149.4444444 + -32.66666667y + y2 = 0

Move the constant term to the right:

Add '-149.4444444' to each side of the equation.
149.4444444 + -32.66666667y + -149.4444444 + y2 = 0 + -149.4444444

Reorder the terms:
149.4444444 + -149.4444444 + -32.66666667y + y2 = 0 + -149.4444444

Combine like terms: 149.4444444 + -149.4444444 = 0.0000000
0.0000000 + -32.66666667y + y2 = 0 + -149.4444444
-32.66666667y + y2 = 0 + -149.4444444

Combine like terms: 0 + -149.4444444 = -149.4444444
-32.66666667y + y2 = -149.4444444

The y term is -32.66666667y.  Take half its coefficient (-16.33333334).
Square it (266.7777780) and add it to both sides.

Add '266.7777780' to each side of the equation.
-32.66666667y + 266.7777780 + y2 = -149.4444444 + 266.7777780

Reorder the terms:
266.7777780 + -32.66666667y + y2 = -149.4444444 + 266.7777780

Combine like terms: -149.4444444 + 266.7777780 = 117.3333336
266.7777780 + -32.66666667y + y2 = 117.3333336

Factor a perfect square on the left side:
(y + -16.33333334)(y + -16.33333334) = 117.3333336

Calculate the square root of the right side: 10.832051218

Break this problem into two subproblems by setting 
(y + -16.33333334) equal to 10.832051218 and -10.832051218.

Subproblem 1

y + -16.33333334 = 10.832051218 Simplifying y + -16.33333334 = 10.832051218 Reorder the terms: -16.33333334 + y = 10.832051218 Solving -16.33333334 + y = 10.832051218 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '16.33333334' to each side of the equation. -16.33333334 + 16.33333334 + y = 10.832051218 + 16.33333334 Combine like terms: -16.33333334 + 16.33333334 = 0.00000000 0.00000000 + y = 10.832051218 + 16.33333334 y = 10.832051218 + 16.33333334 Combine like terms: 10.832051218 + 16.33333334 = 27.165384558 y = 27.165384558 Simplifying y = 27.165384558

Subproblem 2

y + -16.33333334 = -10.832051218 Simplifying y + -16.33333334 = -10.832051218 Reorder the terms: -16.33333334 + y = -10.832051218 Solving -16.33333334 + y = -10.832051218 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '16.33333334' to each side of the equation. -16.33333334 + 16.33333334 + y = -10.832051218 + 16.33333334 Combine like terms: -16.33333334 + 16.33333334 = 0.00000000 0.00000000 + y = -10.832051218 + 16.33333334 y = -10.832051218 + 16.33333334 Combine like terms: -10.832051218 + 16.33333334 = 5.501282122 y = 5.501282122 Simplifying y = 5.501282122

Solution

The solution to the problem is based on the solutions from the subproblems. y = {27.165384558, 5.501282122}

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