Plz!!!
Help me to answer this question:
Factorize: (4a+2)all to square - (2a-1) all to square
** All to square 即二次方,,,
5該!!
Help!! Factorization
2006-12-10 10:57 pm
回答 (1)
2006-12-10 11:03 pm
✔ 最佳答案
(4a+2)^2-(2a-1)^2= ((4a+2)+(2a-1))((4a+2)-(2a-1)) Because a^2-b^2 = (a-b)(a+b)
= (6a+1)(2a+3)
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061210000051KK02489