a) 2x(x+2)(x+5)^2、 6(x+2)(x+5)^3、4x^2(x+5)
希望能列舉步驟,謝謝幫忙!!!
更新1:
6(x+2)(x+5)^3 = 2×3(x+2)(x+5)^3 4x^2(x+5) = 2^2 x^2(x+5) 但之後的步驟我唔識再計落去...
6(x+2)(x+5)^3 = 2×3(x+2)(x+5)^3 4x^2(x+5) = 2^2 x^2(x+5) 但之後的步驟我唔識再計落去...
收錄日期: 2021-04-27 20:35:53
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140218000051KK00159