Solve for E
E=\frac{\sqrt{221}}{O}
O\neq 0
Solve for O
O=\frac{\sqrt{221}}{E}
E\neq 0
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OE=\sqrt{225-2^{2}}
Calculate 15 to the power of 2 and get 225.
OE=\sqrt{225-4}
Calculate 2 to the power of 2 and get 4.
OE=\sqrt{221}
Subtract 4 from 225 to get 221.
\frac{OE}{O}=\frac{\sqrt{221}}{O}
Divide both sides by O.
E=\frac{\sqrt{221}}{O}
Dividing by O undoes the multiplication by O.
OE=\sqrt{225-2^{2}}
Calculate 15 to the power of 2 and get 225.
OE=\sqrt{225-4}
Calculate 2 to the power of 2 and get 4.
OE=\sqrt{221}
Subtract 4 from 225 to get 221.
EO=\sqrt{221}
The equation is in standard form.
\frac{EO}{E}=\frac{\sqrt{221}}{E}
Divide both sides by E.
O=\frac{\sqrt{221}}{E}
Dividing by E undoes the multiplication by E.
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