= XA -- 4x3 + 4x + 16
Activity Title: "Look for pattern!" PERFORMANCE TASK (15 points)
1. (x2 + 1)(x + 1) =
2. (x2 + 1)(x - 1) =
3. (x2 - 1)(x + 1) =
4. (x2 - 1)(x - 1) =
Patterns observed​