Can you please find the missing side.​

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

Can someone me and plz do the problem