(-t³+3t²-5t+7)+(5t²-7t)-(t³-t+3) 帮我看看.最好写过程.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 21:57:40
![(-t³+3t²-5t+7)+(5t²-7t)-(t³-t+3) 帮我看看.最好写过程.](/uploads/image/z/3008194-34-4.jpg?t=%28-t%26%23179%3B%2B3t%26%23178%3B-5t%2B7%29%2B%285t%26%23178%3B-7t%29-%28t%26%23179%3B-t%2B3%29+%E5%B8%AE%E6%88%91%E7%9C%8B%E7%9C%8B.%E6%9C%80%E5%A5%BD%E5%86%99%E8%BF%87%E7%A8%8B.)
(-t³+3t²-5t+7)+(5t²-7t)-(t³-t+3) 帮我看看.最好写过程.
(-t³+3t²-5t+7)+(5t²-7t)-(t³-t+3) 帮我看看.最好写过程.
(-t³+3t²-5t+7)+(5t²-7t)-(t³-t+3) 帮我看看.最好写过程.
(-t³+3t²-5t+7)+(5t²-7t)-(t³-t+3)
=-t³+3t²-5t+7+5t²-7t-t³+t-3
=-2t³+8t²-11t+4