9n^2+11n=-8

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Solution for 9n^2+11n=-8 equation:


Simplifying
9n2 + 11n = -8

Reorder the terms:
11n + 9n2 = -8

Solving
11n + 9n2 = -8

Solving for variable 'n'.

Reorder the terms:
8 + 11n + 9n2 = -8 + 8

Combine like terms: -8 + 8 = 0
8 + 11n + 9n2 = 0

Begin completing the square.  Divide all terms by
9 the coefficient of the squared term: 

Divide each side by '9'.
0.8888888889 + 1.222222222n + n2 = 0

Move the constant term to the right:

Add '-0.8888888889' to each side of the equation.
0.8888888889 + 1.222222222n + -0.8888888889 + n2 = 0 + -0.8888888889

Reorder the terms:
0.8888888889 + -0.8888888889 + 1.222222222n + n2 = 0 + -0.8888888889

Combine like terms: 0.8888888889 + -0.8888888889 = 0.0000000000
0.0000000000 + 1.222222222n + n2 = 0 + -0.8888888889
1.222222222n + n2 = 0 + -0.8888888889

Combine like terms: 0 + -0.8888888889 = -0.8888888889
1.222222222n + n2 = -0.8888888889

The n term is 1.222222222n.  Take half its coefficient (0.611111111).
Square it (0.3734567900) and add it to both sides.

Add '0.3734567900' to each side of the equation.
1.222222222n + 0.3734567900 + n2 = -0.8888888889 + 0.3734567900

Reorder the terms:
0.3734567900 + 1.222222222n + n2 = -0.8888888889 + 0.3734567900

Combine like terms: -0.8888888889 + 0.3734567900 = -0.5154320989
0.3734567900 + 1.222222222n + n2 = -0.5154320989

Factor a perfect square on the left side:
(n + 0.611111111)(n + 0.611111111) = -0.5154320989

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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