When solving the equation x2 – 8x - 7 = 0 by completing the square, which equation is a step in the process?

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241. a) 0 b) 1 c) 2 d) 1 2