2y^2-21y+110=0

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Solution for 2y^2-21y+110=0 equation:


Simplifying
2y2 + -21y + 110 = 0

Reorder the terms:
110 + -21y + 2y2 = 0

Solving
110 + -21y + 2y2 = 0

Solving for variable 'y'.

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

Divide each side by '2'.
55 + -10.5y + y2 = 0

Move the constant term to the right:

Add '-55' to each side of the equation.
55 + -10.5y + -55 + y2 = 0 + -55

Reorder the terms:
55 + -55 + -10.5y + y2 = 0 + -55

Combine like terms: 55 + -55 = 0
0 + -10.5y + y2 = 0 + -55
-10.5y + y2 = 0 + -55

Combine like terms: 0 + -55 = -55
-10.5y + y2 = -55

The y term is -10.5y.  Take half its coefficient (-5.25).
Square it (27.5625) and add it to both sides.

Add '27.5625' to each side of the equation.
-10.5y + 27.5625 + y2 = -55 + 27.5625

Reorder the terms:
27.5625 + -10.5y + y2 = -55 + 27.5625

Combine like terms: -55 + 27.5625 = -27.4375
27.5625 + -10.5y + y2 = -27.4375

Factor a perfect square on the left side:
(y + -5.25)(y + -5.25) = -27.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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