x^2+5x+25 = X^2+5x+25/4-25/4+25 = (X+5/2)^2 =-75/4,無解

2022_2092 · 2023-02-02 11:35:51Z

x^2+5x+25 = X^2+5x+25/4-25/4+25 = (X+5/2)^2 =-75/4,無解簡介

來源: 2022_2092 於 2023-02-02 11:35:51 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 已知 x^2 + 5x + 25 = 0. 求 x^3. 由 wxcfan123 於 2022-10-14 16:24:08

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