Supply and Demand Help

[pnw96]

Need help for math.

If the supply function for a commodity is p = q² + 5q + 16
and the demand function is p = −8q² + 8q + 436,
find the equilibrium quantity and equilibrium price.

 

[stapel]

If the supply function for a commodity is p = q² + 5q + 16
and the demand function is p = −8q² + 8q + 436,
find the equilibrium quantity and equilibrium price.

How are the equilibrium quantity and equilibrium price related to the supply and demand?

Please be specific. Thank you!