n^2+18n+83=0

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Solution for n^2+18n+83=0 equation:


Simplifying
n2 + 18n + 83 = 0

Reorder the terms:
83 + 18n + n2 = 0

Solving
83 + 18n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '-83' to each side of the equation.
83 + 18n + -83 + n2 = 0 + -83

Reorder the terms:
83 + -83 + 18n + n2 = 0 + -83

Combine like terms: 83 + -83 = 0
0 + 18n + n2 = 0 + -83
18n + n2 = 0 + -83

Combine like terms: 0 + -83 = -83
18n + n2 = -83

The n term is 18n.  Take half its coefficient (9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
18n + 81 + n2 = -83 + 81

Reorder the terms:
81 + 18n + n2 = -83 + 81

Combine like terms: -83 + 81 = -2
81 + 18n + n2 = -2

Factor a perfect square on the left side:
(n + 9)(n + 9) = -2

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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