10-r-21r^2=o

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Solution for 10-r-21r^2=o equation: 


Simplifying
10 + -1r + -21r2 = o

Solving
10 + -1r + -21r2 = o

Solving for variable 'r'.

Reorder the terms:
10 + -1o + -1r + -21r2 = o + -1o

Combine like terms: o + -1o = 0
10 + -1o + -1r + -21r2 = 0

The solution to this equation could not be determined.

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