> 数学 >
(x-1)+(1-x)n² 因式分解
人气:298 ℃ 时间:2020-04-07 17:47:23
解答
(x-1)+(1-x)n²
=(x-1)-(x-1)n²
=(x-1)(1-n²)
=(x-1)(1+n)(1-n)
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版