﹙x²-4x-21﹚÷﹙x﹢3﹚

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/24 21:28:53
﹙x²-4x-21﹚÷﹙x﹢3﹚﹙x²-4x-21﹚÷﹙x﹢3﹚﹙x²-4x-21﹚÷﹙x﹢3﹚﹙x²-4x-21﹚÷﹙x﹢3﹚=﹙x-7﹚﹙x+3﹚÷﹙x﹢3

﹙x²-4x-21﹚÷﹙x﹢3﹚
﹙x²-4x-21﹚÷﹙x﹢3﹚

﹙x²-4x-21﹚÷﹙x﹢3﹚
﹙x²-4x-21﹚÷﹙x﹢3﹚
=﹙x-7﹚﹙x+3﹚÷﹙x﹢3﹚
=X-7

x-7