y^2-62y=-126

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Solution for y^2-62y=-126 equation:


Simplifying
y2 + -62y = -126

Reorder the terms:
-62y + y2 = -126

Solving
-62y + y2 = -126

Solving for variable 'y'.

Reorder the terms:
126 + -62y + y2 = -126 + 126

Combine like terms: -126 + 126 = 0
126 + -62y + y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-126' to each side of the equation.
126 + -62y + -126 + y2 = 0 + -126

Reorder the terms:
126 + -126 + -62y + y2 = 0 + -126

Combine like terms: 126 + -126 = 0
0 + -62y + y2 = 0 + -126
-62y + y2 = 0 + -126

Combine like terms: 0 + -126 = -126
-62y + y2 = -126

The y term is -62y.  Take half its coefficient (-31).
Square it (961) and add it to both sides.

Add '961' to each side of the equation.
-62y + 961 + y2 = -126 + 961

Reorder the terms:
961 + -62y + y2 = -126 + 961

Combine like terms: -126 + 961 = 835
961 + -62y + y2 = 835

Factor a perfect square on the left side:
(y + -31)(y + -31) = 835

Calculate the square root of the right side: 28.896366554

Break this problem into two subproblems by setting 
(y + -31) equal to 28.896366554 and -28.896366554.

Subproblem 1

y + -31 = 28.896366554 Simplifying y + -31 = 28.896366554 Reorder the terms: -31 + y = 28.896366554 Solving -31 + y = 28.896366554 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '31' to each side of the equation. -31 + 31 + y = 28.896366554 + 31 Combine like terms: -31 + 31 = 0 0 + y = 28.896366554 + 31 y = 28.896366554 + 31 Combine like terms: 28.896366554 + 31 = 59.896366554 y = 59.896366554 Simplifying y = 59.896366554

Subproblem 2

y + -31 = -28.896366554 Simplifying y + -31 = -28.896366554 Reorder the terms: -31 + y = -28.896366554 Solving -31 + y = -28.896366554 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '31' to each side of the equation. -31 + 31 + y = -28.896366554 + 31 Combine like terms: -31 + 31 = 0 0 + y = -28.896366554 + 31 y = -28.896366554 + 31 Combine like terms: -28.896366554 + 31 = 2.103633446 y = 2.103633446 Simplifying y = 2.103633446

Solution

The solution to the problem is based on the solutions from the subproblems. y = {59.896366554, 2.103633446}

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