r^2-4r-45=o

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Solution for r^2-4r-45=o equation: 


Simplifying
r2 + -4r + -45 = o

Reorder the terms:
-45 + -4r + r2 = o

Solving
-45 + -4r + r2 = o

Solving for variable 'r'.

Reorder the terms:
-45 + -1o + -4r + r2 = o + -1o

Combine like terms: o + -1o = 0
-45 + -1o + -4r + r2 = 0

The solution to this equation could not be determined.

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