I am given 2 equations (for a calculus problem)...(adsbygoogle = window.adsbygoogle || []).push({});

y(x^{2}+4)=5 and x^{2}+y^{2}-2y=0.

I know how to solve for y in terms of x for the first equation, but I am seriously stumped on how to get passed:

y^{2}-2y=-x^{2}

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Solving Equations

**Physics Forums | Science Articles, Homework Help, Discussion**