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刺客先生 發表於 8-5-2012 23:34:28

how to factorize 4x^2-19xy-5y^2-2x+10y
help~
sohoipan2009 發表於 8-5-2012 23:21 http://www.nakuz.com/bbs/images/common/back.gif
我細過你架:'(
點識計

Yondaimc 發表於 8-5-2012 23:35:07

呀.............................................................(頭都爆埋)
閃靈＊ 發表於 2012-5-8 23:33 http://www.nakuz.com/bbs/images/common/back.gif


    幹麼？

刺客先生 發表於 8-5-2012 23:36:55

how to factorize 4x^2-19xy-5y^2-2x+10y
help~
sohoipan2009 發表於 8-5-2012 23:21 http://www.nakuz.com/bbs/images/common/back.gif
(4x+y)(x-5y)-2(x-5y)
=(x-5y)(4x+y-2)
睇睇下...中幾既數?

godoslaw 發表於 8-5-2012 23:39:50

(4x+y)(x-5y)-2(x-5y)
=(x-5y)(4x+y-2)
睇睇下...中幾既數?
刺客先生 發表於 8-5-2012 23:36 http://www.nakuz.com/bbs/images/common/back.gif

岩岩見到想計,點知你已經岩左了=]

sohoipan2009 發表於 8-5-2012 23:41:18

(4x+y)(x-5y)-2(x-5y)
=(x-5y)(4x+y-2)
睇睇下...中幾既數?
刺客先生 發表於 8-5-2012 23:36 http://www.nakuz.com/bbs/images/common/back.gif


    JUNIOR FORM...唔記得曬..thanks=]

sohoipan2009 發表於 8-5-2012 23:42:26

呀.............................................................(頭都爆埋)
閃靈＊ 發表於 8-5-2012 23:33 http://www.nakuz.com/bbs/images/common/back.gif


    幸苦了:handshake

閃靈＊ 發表於 8-5-2012 23:42:30

幹麼？
Yondaimc 發表於 8-5-2012 23:35 http://www.nakuz.com/bbs/images/common/back.gif


   諗野:dizzy:

sohoipan2009 發表於 8-5-2012 23:42:57

靜靜的來，靜靜的走。沒有人發覺的
Yondaimc 發表於 8-5-2012 23:10 http://www.nakuz.com/bbs/images/common/back.gif


    hi yy~

閃靈＊ 發表於 8-5-2012 23:42:57

幸苦了
sohoipan2009 發表於 8-5-2012 23:42 http://www.nakuz.com/bbs/images/common/back.gif


   :handshake明日休息一天

godoslaw 發表於 8-5-2012 23:44:05

JUNIOR FORM...唔記得曬..thanks=]
sohoipan2009 發表於 8-5-2012 23:41 http://www.nakuz.com/bbs/images/common/back.gif

唔識e d 數可以搵我=_______=

我得閒=_____________=

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