[(2n^3)+(4n^2)-7]+[(-n^3)-8n-2]=0

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Solution for [(2n^3)+(4n^2)-7]+[(-n^3)-8n-2]=0 equation: 


Simplifying
[(2n3) + (4n2) + -7] + [(-1n3) + -8n + -2] = 0

Reorder the terms:
[-7 + (4n2) + (2n3)] + [(-1n3) + -8n + -2] = 0

Remove brackets around [-7 + (4n2) + (2n3)]
-7 + (4n2) + (2n3) + [(-1n3) + -8n + -2] = 0

Reorder the terms:
-7 + (4n2) + (2n3) + [-2 + -8n + (-1n3)] = 0

Remove brackets around [-2 + -8n + (-1n3)]
-7 + (4n2) + (2n3) + -2 + -8n + (-1n3) = 0

Reorder the terms:
-7 + -2 + -8n + (4n2) + (2n3) + (-1n3) = 0

Combine like terms: -7 + -2 = -9
-9 + -8n + (4n2) + (2n3) + (-1n3) = 0

Combine like terms: (2n3) + (-1n3) = 1n3
-9 + -8n + (4n2) + 1n3 = 0

Solving
-9 + -8n + (4n2) + 1n3 = 0

Solving for variable 'n'.

The solution to this equation could not be determined.

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