Factor completely: 39a²-34a+7?
回答 (5)
2008-02-22 10:51 pm
✔ 最佳答案
( 13 a - 7 ) ( 3 a - 1 )
2008-02-23 1:40 am
(13a - 7)(3a - 1)
2008-02-23 1:41 am
39a²-34a+7
= 39a²-13a -21a +7
= 13a(3a-1) -7(3a-1)
= (13a-7)(3a-1)
= 39a²-13a -21a +7
= 13a(3a-1) -7(3a-1)
= (13a-7)(3a-1)
2008-02-23 1:40 am
(13a - 7)(3a - 1)
2008-02-23 1:45 am
39a^2 - 34a + 7
= (3a - 1)(13a - 7)
= (3a - 1)(13a - 7)
收錄日期: 2021-05-01 10:10:08
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