a.factorize 2a^2b^2-4ab
b.factorize 3ab-6
c.by using the results of (a) and (b),factorize 2a^2b^2-ab-6
d.factorize -4n^2+25p^2
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中二簡單factorization~~~
2009-10-05 2:35 am
回答 (1)
2009-10-05 3:07 am
✔ 最佳答案
a)2a2b2-4ab=2ab(ab-2)
b)3ab-6
=3(ab-2)
c) 2a2b2-ab-6
=2a2b2-4ab+3ab-6
=2ab(ab-2)+3(ab-2)
=(ab-2)(2ab+3)
d)-4n2+25p2
=25p2-4n2
=(5p-2n)(5p+2n)
收錄日期: 2021-04-23 20:41:56
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https://hk.answers.yahoo.com/question/index?qid=20091004000051KK03410