-9-10n^2=-819

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Solution for -9-10n^2=-819 equation: 


Simplifying
-9 + -10n2 = -819

Solving
-9 + -10n2 = -819

Solving for variable 'n'.

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

Add '9' to each side of the equation.
-9 + 9 + -10n2 = -819 + 9

Combine like terms: -9 + 9 = 0
0 + -10n2 = -819 + 9
-10n2 = -819 + 9

Combine like terms: -819 + 9 = -810
-10n2 = -810

Divide each side by '-10'.
n2 = 81

Simplifying
n2 = 81

Take the square root of each side:
n = {-9, 9}

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