y^2+38=14y

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Solution for y^2+38=14y equation:


Simplifying
y2 + 38 = 14y

Reorder the terms:
38 + y2 = 14y

Solving
38 + y2 = 14y

Solving for variable 'y'.

Reorder the terms:
38 + -14y + y2 = 14y + -14y

Combine like terms: 14y + -14y = 0
38 + -14y + y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-38' to each side of the equation.
38 + -14y + -38 + y2 = 0 + -38

Reorder the terms:
38 + -38 + -14y + y2 = 0 + -38

Combine like terms: 38 + -38 = 0
0 + -14y + y2 = 0 + -38
-14y + y2 = 0 + -38

Combine like terms: 0 + -38 = -38
-14y + y2 = -38

The y term is -14y.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14y + 49 + y2 = -38 + 49

Reorder the terms:
49 + -14y + y2 = -38 + 49

Combine like terms: -38 + 49 = 11
49 + -14y + y2 = 11

Factor a perfect square on the left side:
(y + -7)(y + -7) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(y + -7) equal to 3.31662479 and -3.31662479.

Subproblem 1

y + -7 = 3.31662479 Simplifying y + -7 = 3.31662479 Reorder the terms: -7 + y = 3.31662479 Solving -7 + y = 3.31662479 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + y = 3.31662479 + 7 Combine like terms: -7 + 7 = 0 0 + y = 3.31662479 + 7 y = 3.31662479 + 7 Combine like terms: 3.31662479 + 7 = 10.31662479 y = 10.31662479 Simplifying y = 10.31662479

Subproblem 2

y + -7 = -3.31662479 Simplifying y + -7 = -3.31662479 Reorder the terms: -7 + y = -3.31662479 Solving -7 + y = -3.31662479 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + y = -3.31662479 + 7 Combine like terms: -7 + 7 = 0 0 + y = -3.31662479 + 7 y = -3.31662479 + 7 Combine like terms: -3.31662479 + 7 = 3.68337521 y = 3.68337521 Simplifying y = 3.68337521

Solution

The solution to the problem is based on the solutions from the subproblems. y = {10.31662479, 3.68337521}

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