Marvin was completing the square, and his work is shown below. Identify the
line where he made his mistake. (2 points)
f(x) = 2x2 - 8x + 5
Line 1: f(x) = 2(x2 - 8x) + 5
Line 2: f(x) = 2(x2 - 8x + 16) + 5 - 32
Line 3: f(x) = 2(x - 4)2 - 27