y^2-10y=37

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Solution for y^2-10y=37 equation:


Simplifying
y2 + -10y = 37

Reorder the terms:
-10y + y2 = 37

Solving
-10y + y2 = 37

Solving for variable 'y'.

Reorder the terms:
-37 + -10y + y2 = 37 + -37

Combine like terms: 37 + -37 = 0
-37 + -10y + y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '37' to each side of the equation.
-37 + -10y + 37 + y2 = 0 + 37

Reorder the terms:
-37 + 37 + -10y + y2 = 0 + 37

Combine like terms: -37 + 37 = 0
0 + -10y + y2 = 0 + 37
-10y + y2 = 0 + 37

Combine like terms: 0 + 37 = 37
-10y + y2 = 37

The y term is -10y.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10y + 25 + y2 = 37 + 25

Reorder the terms:
25 + -10y + y2 = 37 + 25

Combine like terms: 37 + 25 = 62
25 + -10y + y2 = 62

Factor a perfect square on the left side:
(y + -5)(y + -5) = 62

Calculate the square root of the right side: 7.874007874

Break this problem into two subproblems by setting 
(y + -5) equal to 7.874007874 and -7.874007874.

Subproblem 1

y + -5 = 7.874007874 Simplifying y + -5 = 7.874007874 Reorder the terms: -5 + y = 7.874007874 Solving -5 + y = 7.874007874 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + y = 7.874007874 + 5 Combine like terms: -5 + 5 = 0 0 + y = 7.874007874 + 5 y = 7.874007874 + 5 Combine like terms: 7.874007874 + 5 = 12.874007874 y = 12.874007874 Simplifying y = 12.874007874

Subproblem 2

y + -5 = -7.874007874 Simplifying y + -5 = -7.874007874 Reorder the terms: -5 + y = -7.874007874 Solving -5 + y = -7.874007874 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + y = -7.874007874 + 5 Combine like terms: -5 + 5 = 0 0 + y = -7.874007874 + 5 y = -7.874007874 + 5 Combine like terms: -7.874007874 + 5 = -2.874007874 y = -2.874007874 Simplifying y = -2.874007874

Solution

The solution to the problem is based on the solutions from the subproblems. y = {12.874007874, -2.874007874}

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