1. 49p^2 + 70p + 25
2. 6m^2 +13m + 5
3. (x-7)^2 - 25
Thank you
I need help with factoring?
2015-03-05 10:32 pm
回答 (2)
2015-03-05 10:36 pm
✔ 最佳答案
1. 49 = 7^2 and 25 = 5^2; 70 = 2*7*5,so this is a perfect square: (7p + 5)^2
2. Trial and error yields (3m + 5)(2m + 1)
3. multiply out and you get x^2 - 14x + 24
= (x - 12)(x - 2)
2015-03-05 10:34 pm
1) (5 + 7 p)^2
2) (1 + 2 m) (5 + 3 m)
3) (-12 + x) (-2 + x)
2) (1 + 2 m) (5 + 3 m)
3) (-12 + x) (-2 + x)
收錄日期: 2021-04-21 16:30:14
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150305143203AAf8BD9