n^2+55=-4n

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Solution for n^2+55=-4n equation:


Simplifying
n2 + 55 = -4n

Reorder the terms:
55 + n2 = -4n

Solving
55 + n2 = -4n

Solving for variable 'n'.

Reorder the terms:
55 + 4n + n2 = -4n + 4n

Combine like terms: -4n + 4n = 0
55 + 4n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-55' to each side of the equation.
55 + 4n + -55 + n2 = 0 + -55

Reorder the terms:
55 + -55 + 4n + n2 = 0 + -55

Combine like terms: 55 + -55 = 0
0 + 4n + n2 = 0 + -55
4n + n2 = 0 + -55

Combine like terms: 0 + -55 = -55
4n + n2 = -55

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

Add '4' to each side of the equation.
4n + 4 + n2 = -55 + 4

Reorder the terms:
4 + 4n + n2 = -55 + 4

Combine like terms: -55 + 4 = -51
4 + 4n + n2 = -51

Factor a perfect square on the left side:
(n + 2)(n + 2) = -51

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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