x^3+9x=-x^2-9

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Solution for x^3+9x=-x^2-9 equation:


Simplifying
x3 + 9x = -1x2 + -9

Reorder the terms:
9x + x3 = -1x2 + -9

Reorder the terms:
9x + x3 = -9 + -1x2

Solving
9x + x3 = -9 + -1x2

Solving for variable 'x'.

Reorder the terms:
9 + 9x + x2 + x3 = -9 + -1x2 + 9 + x2

Reorder the terms:
9 + 9x + x2 + x3 = -9 + 9 + -1x2 + x2

Combine like terms: -9 + 9 = 0
9 + 9x + x2 + x3 = 0 + -1x2 + x2
9 + 9x + x2 + x3 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
9 + 9x + x2 + x3 = 0

The solution to this equation could not be determined.

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