9. Question 9 (Extra Credit 10 pts). Let P(x) be a polynomial defined as follows: P(x) = anx" + an-141-1 + ... +ajx + a, The following piece of code evaluates P(x) by using 2n multiplications. y = do x; = 1 for i=1 to n X;=x.X y = y +a;.X Give a short algorithm which uses n multiplication