=y^2-14y+210

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Solution for =y^2-14y+210 equation:


Simplifying
0 = y2 + -14y + 210

Reorder the terms:
0 = 210 + -14y + y2

Solving
0 = 210 + -14y + y2

Solving for variable 'y'.

Combine like terms: 0 + -210 = -210
-210 + 14y + -1y2 = 210 + -14y + y2 + -210 + 14y + -1y2

Reorder the terms:
-210 + 14y + -1y2 = 210 + -210 + -14y + 14y + y2 + -1y2

Combine like terms: 210 + -210 = 0
-210 + 14y + -1y2 = 0 + -14y + 14y + y2 + -1y2
-210 + 14y + -1y2 = -14y + 14y + y2 + -1y2

Combine like terms: -14y + 14y = 0
-210 + 14y + -1y2 = 0 + y2 + -1y2
-210 + 14y + -1y2 = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
-210 + 14y + -1y2 = 0

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

Divide each side by '-1'.
210 + -14y + y2 = 0

Move the constant term to the right:

Add '-210' to each side of the equation.
210 + -14y + -210 + y2 = 0 + -210

Reorder the terms:
210 + -210 + -14y + y2 = 0 + -210

Combine like terms: 210 + -210 = 0
0 + -14y + y2 = 0 + -210
-14y + y2 = 0 + -210

Combine like terms: 0 + -210 = -210
-14y + y2 = -210

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 = -210 + 49

Reorder the terms:
49 + -14y + y2 = -210 + 49

Combine like terms: -210 + 49 = -161
49 + -14y + y2 = -161

Factor a perfect square on the left side:
(y + -7)(y + -7) = -161

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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