y^2-6y-334=0

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Solution for y^2-6y-334=0 equation:


Simplifying
y2 + -6y + -334 = 0

Reorder the terms:
-334 + -6y + y2 = 0

Solving
-334 + -6y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '334' to each side of the equation.
-334 + -6y + 334 + y2 = 0 + 334

Reorder the terms:
-334 + 334 + -6y + y2 = 0 + 334

Combine like terms: -334 + 334 = 0
0 + -6y + y2 = 0 + 334
-6y + y2 = 0 + 334

Combine like terms: 0 + 334 = 334
-6y + y2 = 334

The y term is -6y.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6y + 9 + y2 = 334 + 9

Reorder the terms:
9 + -6y + y2 = 334 + 9

Combine like terms: 334 + 9 = 343
9 + -6y + y2 = 343

Factor a perfect square on the left side:
(y + -3)(y + -3) = 343

Calculate the square root of the right side: 18.520259177

Break this problem into two subproblems by setting 
(y + -3) equal to 18.520259177 and -18.520259177.

Subproblem 1

y + -3 = 18.520259177 Simplifying y + -3 = 18.520259177 Reorder the terms: -3 + y = 18.520259177 Solving -3 + y = 18.520259177 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + y = 18.520259177 + 3 Combine like terms: -3 + 3 = 0 0 + y = 18.520259177 + 3 y = 18.520259177 + 3 Combine like terms: 18.520259177 + 3 = 21.520259177 y = 21.520259177 Simplifying y = 21.520259177

Subproblem 2

y + -3 = -18.520259177 Simplifying y + -3 = -18.520259177 Reorder the terms: -3 + y = -18.520259177 Solving -3 + y = -18.520259177 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + y = -18.520259177 + 3 Combine like terms: -3 + 3 = 0 0 + y = -18.520259177 + 3 y = -18.520259177 + 3 Combine like terms: -18.520259177 + 3 = -15.520259177 y = -15.520259177 Simplifying y = -15.520259177

Solution

The solution to the problem is based on the solutions from the subproblems. y = {21.520259177, -15.520259177}

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