因式分解9a2(b-c)+b2(c-b)=?(A)(9a2+b2)(b - c) (B)(9a2+b2)(c - b) (C)(3a + b)(3a - b)(b

問題詳情

2.因式分解9a2(b-c)+b2(c-b)=?
(A)(9a2+b2)(b - c)
(B)(9a^{2+b^{2)(c - b)
(C)(3a + b)(3a - b)(b - c)
(D)(3a + b)(3a - b)(c - b)}}

參考答案

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