The roots of Ax^2+Bx+1 are the same as the roots of (x - 2)(x + 2). What is A+B?
The roots of (x -2) (x + 2) are 2. -2
sum of these roots = B/A = 0
product of the roots = 1/A
-4 = 1/A
A = -1/4
A + B = -1/4