Example 1: Factor each polynomial. 4x2 25 b) 16 9y2 – – c) 36a4 b4 d) 16x2 81 – – Exercise 1: Factor each polynomial. 64 4x2 b) 16x2 169y2 – – c) 225a2 36b2 d) z4 121 – –
Example 1: Factor each polynomial. 4x2 – 25 b) 16 – 9y2 c) 36a4 – b4 d) 16x2 – 81 Exercise 1: Factor each polynomial. 64 – 4x2 b) 16x2 – 169y2 c) 225a2 – 36b2 d) z4 – 121