When x = 3,
3x^2 - 2x + 4 = ?
Evaluate the polynomial for x = 3?
2008-07-29 4:04 pm
回答 (2)
2008-07-29 4:08 pm
✔ 最佳答案
3x^2 - 2x + 4= 3(3^2) - 2(3) + 4
= 3(9) - 6 + 4
= 27 - 6 + 4
= 21 + 4
= 25
2008-07-29 11:43 pm
27 - 6 + 4 = 25
收錄日期: 2021-05-01 10:58:05
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080729080438AAzxZlf