> 数学 >
(x²-6x)(x²-6x+18)+81因式分解,
人气：494 ℃　时间：2020-01-25 16:23:49
解答
(x²-6x)(x²-6x+18)+81
=(x²-6x+9 -9)(x²-6x+9 +9)+81
=(x²-6x+9)²-9²+81
=(x²-6x+9)²
=((x-3)²)²
=(x-3)^4
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版