-3y^2+114y+504=1456

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Solution for -3y^2+114y+504=1456 equation:


Simplifying
-3y2 + 114y + 504 = 1456

Reorder the terms:
504 + 114y + -3y2 = 1456

Solving
504 + 114y + -3y2 = 1456

Solving for variable 'y'.

Reorder the terms:
504 + -1456 + 114y + -3y2 = 1456 + -1456

Combine like terms: 504 + -1456 = -952
-952 + 114y + -3y2 = 1456 + -1456

Combine like terms: 1456 + -1456 = 0
-952 + 114y + -3y2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
317.3333333 + -38y + y2 = 0

Move the constant term to the right:

Add '-317.3333333' to each side of the equation.
317.3333333 + -38y + -317.3333333 + y2 = 0 + -317.3333333

Reorder the terms:
317.3333333 + -317.3333333 + -38y + y2 = 0 + -317.3333333

Combine like terms: 317.3333333 + -317.3333333 = 0.0000000
0.0000000 + -38y + y2 = 0 + -317.3333333
-38y + y2 = 0 + -317.3333333

Combine like terms: 0 + -317.3333333 = -317.3333333
-38y + y2 = -317.3333333

The y term is -38y.  Take half its coefficient (-19).
Square it (361) and add it to both sides.

Add '361' to each side of the equation.
-38y + 361 + y2 = -317.3333333 + 361

Reorder the terms:
361 + -38y + y2 = -317.3333333 + 361

Combine like terms: -317.3333333 + 361 = 43.6666667
361 + -38y + y2 = 43.6666667

Factor a perfect square on the left side:
(y + -19)(y + -19) = 43.6666667

Calculate the square root of the right side: 6.60807587

Break this problem into two subproblems by setting 
(y + -19) equal to 6.60807587 and -6.60807587.

Subproblem 1

y + -19 = 6.60807587 Simplifying y + -19 = 6.60807587 Reorder the terms: -19 + y = 6.60807587 Solving -19 + y = 6.60807587 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '19' to each side of the equation. -19 + 19 + y = 6.60807587 + 19 Combine like terms: -19 + 19 = 0 0 + y = 6.60807587 + 19 y = 6.60807587 + 19 Combine like terms: 6.60807587 + 19 = 25.60807587 y = 25.60807587 Simplifying y = 25.60807587

Subproblem 2

y + -19 = -6.60807587 Simplifying y + -19 = -6.60807587 Reorder the terms: -19 + y = -6.60807587 Solving -19 + y = -6.60807587 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '19' to each side of the equation. -19 + 19 + y = -6.60807587 + 19 Combine like terms: -19 + 19 = 0 0 + y = -6.60807587 + 19 y = -6.60807587 + 19 Combine like terms: -6.60807587 + 19 = 12.39192413 y = 12.39192413 Simplifying y = 12.39192413

Solution

The solution to the problem is based on the solutions from the subproblems. y = {25.60807587, 12.39192413}

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