y^2-14y+6=0

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Solution for y^2-14y+6=0 equation:


Simplifying
y2 + -14y + 6 = 0

Reorder the terms:
6 + -14y + y2 = 0

Solving
6 + -14y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -14y + -6 + y2 = 0 + -6

Reorder the terms:
6 + -6 + -14y + y2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -14y + y2 = 0 + -6
-14y + y2 = 0 + -6

Combine like terms: 0 + -6 = -6
-14y + y2 = -6

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 = -6 + 49

Reorder the terms:
49 + -14y + y2 = -6 + 49

Combine like terms: -6 + 49 = 43
49 + -14y + y2 = 43

Factor a perfect square on the left side:
(y + -7)(y + -7) = 43

Calculate the square root of the right side: 6.557438524

Break this problem into two subproblems by setting 
(y + -7) equal to 6.557438524 and -6.557438524.

Subproblem 1

y + -7 = 6.557438524 Simplifying y + -7 = 6.557438524 Reorder the terms: -7 + y = 6.557438524 Solving -7 + y = 6.557438524 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 = 6.557438524 + 7 Combine like terms: -7 + 7 = 0 0 + y = 6.557438524 + 7 y = 6.557438524 + 7 Combine like terms: 6.557438524 + 7 = 13.557438524 y = 13.557438524 Simplifying y = 13.557438524

Subproblem 2

y + -7 = -6.557438524 Simplifying y + -7 = -6.557438524 Reorder the terms: -7 + y = -6.557438524 Solving -7 + y = -6.557438524 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 = -6.557438524 + 7 Combine like terms: -7 + 7 = 0 0 + y = -6.557438524 + 7 y = -6.557438524 + 7 Combine like terms: -6.557438524 + 7 = 0.442561476 y = 0.442561476 Simplifying y = 0.442561476

Solution

The solution to the problem is based on the solutions from the subproblems. y = {13.557438524, 0.442561476}

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