Quadratic Equations - 黎sir教室 - 資深中學補習老師, 小班教學, 事半功倍!!!

Quadratic Equations 二次方程 www25.brinkster.com/andy325 All Rights Reserved © 黎Sir教室 Prepared By Andy Lai 4 (B) Linear equation in one unknown 一元線性方程 ax+b =0Æ Linear equation in one unknown 一元線性方程 e.g. 3x +7 =−6 Sol: e.g. log x+log5 =log7

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