7r^3-2r^2-21r-2=0

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Solution for 7r^3-2r^2-21r-2=0 equation: 


Simplifying
7r3 + -2r2 + -21r + -2 = 0

Reorder the terms:
-2 + -21r + -2r2 + 7r3 = 0

Solving
-2 + -21r + -2r2 + 7r3 = 0

Solving for variable 'r'.

The solution to this equation could not be determined.

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