y^2-16y+65=0

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Solution for y^2-16y+65=0 equation:


Simplifying
y2 + -16y + 65 = 0

Reorder the terms:
65 + -16y + y2 = 0

Solving
65 + -16y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-65' to each side of the equation.
65 + -16y + -65 + y2 = 0 + -65

Reorder the terms:
65 + -65 + -16y + y2 = 0 + -65

Combine like terms: 65 + -65 = 0
0 + -16y + y2 = 0 + -65
-16y + y2 = 0 + -65

Combine like terms: 0 + -65 = -65
-16y + y2 = -65

The y term is -16y.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16y + 64 + y2 = -65 + 64

Reorder the terms:
64 + -16y + y2 = -65 + 64

Combine like terms: -65 + 64 = -1
64 + -16y + y2 = -1

Factor a perfect square on the left side:
(y + -8)(y + -8) = -1

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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