y^2+4y+k=0

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Solution for y^2+4y+k=0 equation: 


Simplifying
y2 + 4y + k = 0

Reorder the terms:
k + 4y + y2 = 0

Solving
k + 4y + y2 = 0

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

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

Combine like terms: 4y + -4y = 0
k + 0 + y2 = 0 + -4y
k + y2 = 0 + -4y
Remove the zero:
k + y2 = -4y

Add '-1y2' to each side of the equation.
k + y2 + -1y2 = -4y + -1y2

Combine like terms: y2 + -1y2 = 0
k + 0 = -4y + -1y2
k = -4y + -1y2

Simplifying
k = -4y + -1y2

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