y^2+16y+69=0

Solution for y^2+16y+69=0 equation:

Simplifying
y2 + 16y + 69 = 0

Reorder the terms:
69 + 16y + y2 = 0

Solving
69 + 16y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-69' to each side of the equation.
69 + 16y + -69 + y2 = 0 + -69

Reorder the terms:
69 + -69 + 16y + y2 = 0 + -69

Combine like terms: 69 + -69 = 0
0 + 16y + y2 = 0 + -69
16y + y2 = 0 + -69

Combine like terms: 0 + -69 = -69
16y + y2 = -69

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 = -69 + 64

Reorder the terms:
64 + 16y + y2 = -69 + 64

Combine like terms: -69 + 64 = -5
64 + 16y + y2 = -5

Factor a perfect square on the left side:
(y + 8)(y + 8) = -5

Can't calculate square root of the right side.

The solution to this equation could not be determined.