Solve for n
n=\frac{m^{2}+25}{25}
Solve for m
m=5\sqrt{n-1}
m=-5\sqrt{n-1}\text{, }n\geq 1
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-25n+25=-m^{2}
Subtract m^{2} from both sides. Anything subtracted from zero gives its negation.
-25n=-m^{2}-25
Subtract 25 from both sides.
\frac{-25n}{-25}=\frac{-m^{2}-25}{-25}
Divide both sides by -25.
n=\frac{-m^{2}-25}{-25}
Dividing by -25 undoes the multiplication by -25.
n=\frac{m^{2}}{25}+1
Divide -m^{2}-25 by -25.
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