r^4+5r^3+4=0

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Solution for r^4+5r^3+4=0 equation: 


Simplifying
r4 + 5r3 + 4 = 0

Reorder the terms:
4 + 5r3 + r4 = 0

Solving
4 + 5r3 + r4 = 0

Solving for variable 'r'.

The solution to this equation could not be determined.

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