36=25+49-14y+y^2

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Solution for 36=25+49-14y+y^2 equation:


Simplifying
36 = 25 + 49 + -14y + y2

Combine like terms: 25 + 49 = 74
36 = 74 + -14y + y2

Solving
36 = 74 + -14y + y2

Solving for variable 'y'.

Combine like terms: 36 + -74 = -38
-38 + 14y + -1y2 = 74 + -14y + y2 + -74 + 14y + -1y2

Reorder the terms:
-38 + 14y + -1y2 = 74 + -74 + -14y + 14y + y2 + -1y2

Combine like terms: 74 + -74 = 0
-38 + 14y + -1y2 = 0 + -14y + 14y + y2 + -1y2
-38 + 14y + -1y2 = -14y + 14y + y2 + -1y2

Combine like terms: -14y + 14y = 0
-38 + 14y + -1y2 = 0 + y2 + -1y2
-38 + 14y + -1y2 = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
-38 + 14y + -1y2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
38 + -14y + y2 = 0

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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