This is about factoriztion.
Question:
2/9 x ^2 - x - 2
Thank you very much!
Mathematics question!F.3
2010-11-10 4:03 am
回答 (2)
2010-11-10 4:18 am
✔ 最佳答案
係咪 (2/9)x^2 - x -2 呀 ?(2/9)x^2 - x - 2
= (2x^2 - 9x - 2*9) / 9
= (2x^2 - 9x - 18) / 9
= [(2x+3)(x-6)] / 9
2010-11-10 4:35 am
2/9 x ^2 - x - 2
_______________
Take the factor of (1/9) ,it is more convenience to be factorized.
____________
2/9 x ^2 - x - 2
(1/9)(2x^2-9x-18)
(1/9)(2x+3)(x-6)
_______________
Take the factor of (1/9) ,it is more convenience to be factorized.
____________
2/9 x ^2 - x - 2
(1/9)(2x^2-9x-18)
(1/9)(2x+3)(x-6)
收錄日期: 2021-04-23 23:13:02
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https://hk.answers.yahoo.com/question/index?qid=20101109000051KK01113