-11n^2=9-2n

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


Simplifying
-11n2 = 9 + -2n

Solving
-11n2 = 9 + -2n

Solving for variable 'n'.

Reorder the terms:
-9 + 2n + -11n2 = 9 + -2n + -9 + 2n

Reorder the terms:
-9 + 2n + -11n2 = 9 + -9 + -2n + 2n

Combine like terms: 9 + -9 = 0
-9 + 2n + -11n2 = 0 + -2n + 2n
-9 + 2n + -11n2 = -2n + 2n

Combine like terms: -2n + 2n = 0
-9 + 2n + -11n2 = 0

Begin completing the square.  Divide all terms by
-11 the coefficient of the squared term: 

Divide each side by '-11'.
0.8181818182 + -0.1818181818n + n2 = 0

Move the constant term to the right:

Add '-0.8181818182' to each side of the equation.
0.8181818182 + -0.1818181818n + -0.8181818182 + n2 = 0 + -0.8181818182

Reorder the terms:
0.8181818182 + -0.8181818182 + -0.1818181818n + n2 = 0 + -0.8181818182

Combine like terms: 0.8181818182 + -0.8181818182 = 0.0000000000
0.0000000000 + -0.1818181818n + n2 = 0 + -0.8181818182
-0.1818181818n + n2 = 0 + -0.8181818182

Combine like terms: 0 + -0.8181818182 = -0.8181818182
-0.1818181818n + n2 = -0.8181818182

The n term is -0.1818181818n.  Take half its coefficient (-0.0909090909).
Square it (0.008264462808) and add it to both sides.

Add '0.008264462808' to each side of the equation.
-0.1818181818n + 0.008264462808 + n2 = -0.8181818182 + 0.008264462808

Reorder the terms:
0.008264462808 + -0.1818181818n + n2 = -0.8181818182 + 0.008264462808

Combine like terms: -0.8181818182 + 0.008264462808 = -0.809917355392
0.008264462808 + -0.1818181818n + n2 = -0.809917355392

Factor a perfect square on the left side:
(n + -0.0909090909)(n + -0.0909090909) = -0.809917355392

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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