Answer:
Here! :]
Step-by-step explanation:
Area of sidewalk = Area of the cover area of sidewalk minus area of pool
Area of sidewalk = ((5xy)*(3xy)) - ((2xy)*(xy))
Continue to solve
[tex]15x^{2} y^{2} [/tex] - [tex]2x^{2} y^{2} [/tex] = [tex]13x^{2} y^{2} [/tex]
Area of sidewalk = [tex]13x^{2} y^{2} [/tex]