y^2=-4y-6

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Solution for y^2=-4y-6 equation:


Simplifying
y2 = -4y + -6

Reorder the terms:
y2 = -6 + -4y

Solving
y2 = -6 + -4y

Solving for variable 'y'.

Reorder the terms:
6 + 4y + y2 = -6 + -4y + 6 + 4y

Reorder the terms:
6 + 4y + y2 = -6 + 6 + -4y + 4y

Combine like terms: -6 + 6 = 0
6 + 4y + y2 = 0 + -4y + 4y
6 + 4y + y2 = -4y + 4y

Combine like terms: -4y + 4y = 0
6 + 4y + y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + 4y + -6 + y2 = 0 + -6

Reorder the terms:
6 + -6 + 4y + y2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 4y + y2 = 0 + -6
4y + y2 = 0 + -6

Combine like terms: 0 + -6 = -6
4y + y2 = -6

The y term is 4y.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4y + 4 + y2 = -6 + 4

Reorder the terms:
4 + 4y + y2 = -6 + 4

Combine like terms: -6 + 4 = -2
4 + 4y + y2 = -2

Factor a perfect square on the left side:
(y + 2)(y + 2) = -2

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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