Factor 4w^2-v^2! Thank you.?
回答 (2)
2011-02-10 11:49 am
✔ 最佳答案
a^2 - b^2 ≡ (a + b)(a - b)4w^2 - v^2
= (2w)^2 - v^2
= (2w + v)(2w - v)
2011-02-10 5:18 pm
(2w+v)*(2w-v)
收錄日期: 2021-05-01 13:34:46
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https://hk.answers.yahoo.com/question/index?qid=20110210011624AAB9zTh