Factorize the followings!!!
1. y^2 - 14y + 48
Maths!!!
2008-11-23 9:52 pm
回答 (3)
2008-11-23 9:57 pm
✔ 最佳答案
By cross method,y -8
y -6
y^2 - 14y + 48
=(y-8)(y-6)
2008-11-23 14:29:04 補充：
NOTE:以中三既水準，逢親見到d identity做唔到晒數，用cross method做就得。
2008-11-29 13:06:25 補充：
我答先喎-_-
參考: 自己
2008-11-23 9:59 pm
y2 - 14y + 48
=(y-6)(y-8)
By Cross-method
y -6
y -8
－－－－－－
-8y -6y =-14y
=(y-6)(y-8)
By Cross-method
y -6
y -8
－－－－－－
-8y -6y =-14y
收錄日期: 2021-04-13 16:15:46
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https://hk.answers.yahoo.com/question/index?qid=20081123000051KK00948