x=?
x^2-2(a-b)x+a^2-ab-2b^2
x=?
幫幫手...我急要溫習
更新1:
x^2-(2a-b)x+a^2-ab-2b^2 ...咁樣呢?
更新2:
約簡呢?...sry....條題目人地比我...打錯野
更新3:
x^2-(2a-b)x+a^2-ab-2b^2 淨係Simplify佢...唔係搵X....
x^2-(2a-b)x+a^2-ab-2b^2 ...咁樣呢?
約簡呢?...sry....條題目人地比我...打錯野
x^2-(2a-b)x+a^2-ab-2b^2 淨係Simplify佢...唔係搵X....
收錄日期: 2021-04-26 16:04:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080102000051KK03045