The area of a rectangular swimming pool is given by 3x^2 + 7x + 4 ft^2. One side length of the pool is given by 3x + 4 feet. What is an algebraic expression for the other side of the pool? simplify, include correct units.

atts: algebraic exp.= 3x^2 + 7x + 4 ft/3x + 4= x+1