a^4+2a^3-a^2-20=

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Solution for a^4+2a^3-a^2-20= equation: 


Simplifying
a4 + 2a3 + -1a2 + -20 = 0

Reorder the terms:
-20 + -1a2 + 2a3 + a4 = 0

Solving
-20 + -1a2 + 2a3 + a4 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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