Solve for C
C=\frac{Y^{2}+500}{Y+10}
Y\neq -10
Solve for Y
Y=\frac{-\sqrt{C^{2}+40C-2000}+C}{2}
Y=\frac{\sqrt{C^{2}+40C-2000}+C}{2}\text{, }C\geq 20\sqrt{6}-20\text{ or }C\leq -20\sqrt{6}-20
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