(n^3+9n^2-1)+(3n^3-n^2)=

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Solution for (n^3+9n^2-1)+(3n^3-n^2)= equation: 


Simplifying
(n3 + 9n2 + -1) + (3n3 + -1n2) = 0

Reorder the terms:
(-1 + 9n2 + n3) + (3n3 + -1n2) = 0

Remove parenthesis around (-1 + 9n2 + n3)
-1 + 9n2 + n3 + (3n3 + -1n2) = 0

Reorder the terms:
-1 + 9n2 + n3 + (-1n2 + 3n3) = 0

Remove parenthesis around (-1n2 + 3n3)
-1 + 9n2 + n3 + -1n2 + 3n3 = 0

Reorder the terms:
-1 + 9n2 + -1n2 + n3 + 3n3 = 0

Combine like terms: 9n2 + -1n2 = 8n2
-1 + 8n2 + n3 + 3n3 = 0

Combine like terms: n3 + 3n3 = 4n3
-1 + 8n2 + 4n3 = 0

Solving
-1 + 8n2 + 4n3 = 0

Solving for variable 'n'.

The solution to this equation could not be determined.

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