factorize:
(我真系吾識做)
1) 2(a+b)² - 24(a+b) + 72
2) (p² + 4p + 4) - q²
ALL STEPS!!!
特別系頭2個STEPS!!
thz!
勁易factorize,helphelp me吧!
2008-03-19 2:41 am
回答 (1)
2008-03-19 2:56 am
✔ 最佳答案
1. Let C = a+b2(a+b)² - 24(a+b) + 72
= 2{c² - 12c + 36}
=2(c-6)²
=2(a+b-6)²
2. (p² + 4p + 4) - q²
=(p+2)²- q²
=(p+2-q)(p+2+q)
收錄日期: 2021-04-13 15:18:11
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080318000051KK02286