The polynomial 2. 5c^2 + 21.86c + 1190 represents the sale of electricity (in billion kilowatt-hours) in the largest sector during 2000-2005. The polynomial 8.7c^2 - 1.43c + 2095 represents the sale of electricity (in billion kilowatt-hours) in all other sectors during 2000-2005. In both polynomials, c represents the number of years after 2000. Find a polynomial for the total sales of electricity (in billion kilowatt-hours) to all of the sectors during this period.
Write a polynomial representing the sale of electricity (in billion kilowatt-hours) to all the sectors during 2000-2005.