問題詳情
4.因式分解 2 - x -15x2 ＝？
(A) (-3x +1)(5x +1)
(B) (-3x +1)(5x + 2)
(C) (-3x +1)(5x + 3)
(D) (-3x +1)(5x + 4)
參考答案
無參考答案
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