x+x^3=45

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Solution for x+x^3=45 equation: 


Simplifying
x + x3 = 45

Solving
x + x3 = 45

Solving for variable 'x'.

Reorder the terms:
-45 + x + x3 = 45 + -45

Combine like terms: 45 + -45 = 0
-45 + x + x3 = 0

The solution to this equation could not be determined.

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