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

問題詳情

4.因式分解 2 - x -15x^{2 ＝？
(A) (-3x +1)(5x +1)
(B) (-3x +1)(5x + 2)
(C) (-3x +1)(5x + 3)
(D) (-3x +1)(5x + 4)}

參考答案

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