設多項式f (x)﹐滿足 x(x - 2)整除(f (x) - 12x - a)﹐ x(x + 2)整除(f (x) - bx - 5)﹐ (x - 2)(x + 2)整除(f (x) - cx - 25)﹐ 則a + b + c之值為(1) - 3 (2) - 1 (3)1 (4)3﹒ 答案: (2) 請老師詳解謝謝!!