Julie says that she can perform a magic trick with numbers. She asks you to pick a whole number, any whole number. Square that number. Then add twice the your original number. Next add 1. Take the square root of the result. Finally, subtract your original number. Then Julie exclaims with authority, "Your answer is 1." Is your answer 1? Let "a" represent the whole number you choose for problem #10. Then, find a polynomial representation for the first three steps of Julie's directions. Be sure to simplify your polynomial