y^2-6y-50=0

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Solution for y^2-6y-50=0 equation:


Simplifying
y2 + -6y + -50 = 0

Reorder the terms:
-50 + -6y + y2 = 0

Solving
-50 + -6y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '50' to each side of the equation.
-50 + -6y + 50 + y2 = 0 + 50

Reorder the terms:
-50 + 50 + -6y + y2 = 0 + 50

Combine like terms: -50 + 50 = 0
0 + -6y + y2 = 0 + 50
-6y + y2 = 0 + 50

Combine like terms: 0 + 50 = 50
-6y + y2 = 50

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 = 50 + 9

Reorder the terms:
9 + -6y + y2 = 50 + 9

Combine like terms: 50 + 9 = 59
9 + -6y + y2 = 59

Factor a perfect square on the left side:
(y + -3)(y + -3) = 59

Calculate the square root of the right side: 7.681145748

Break this problem into two subproblems by setting 
(y + -3) equal to 7.681145748 and -7.681145748.

Subproblem 1

y + -3 = 7.681145748 Simplifying y + -3 = 7.681145748 Reorder the terms: -3 + y = 7.681145748 Solving -3 + y = 7.681145748 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 = 7.681145748 + 3 Combine like terms: -3 + 3 = 0 0 + y = 7.681145748 + 3 y = 7.681145748 + 3 Combine like terms: 7.681145748 + 3 = 10.681145748 y = 10.681145748 Simplifying y = 10.681145748

Subproblem 2

y + -3 = -7.681145748 Simplifying y + -3 = -7.681145748 Reorder the terms: -3 + y = -7.681145748 Solving -3 + y = -7.681145748 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 = -7.681145748 + 3 Combine like terms: -3 + 3 = 0 0 + y = -7.681145748 + 3 y = -7.681145748 + 3 Combine like terms: -7.681145748 + 3 = -4.681145748 y = -4.681145748 Simplifying y = -4.681145748

Solution

The solution to the problem is based on the solutions from the subproblems. y = {10.681145748, -4.681145748}

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