(7m-8n)(x+y)-(3m-2n)(x+y)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/10 14:22:16
(7m-8n)(x+y)-(3m-2n)(x+y)

(7m-8n)(x+y)-(3m-2n)(x+y)
(7m-8n)(x+y)-(3m-2n)(x+y)

(7m-8n)(x+y)-(3m-2n)(x+y)
答:=(7m-8n-3m+2n)(x+y)
=(4m-6n)(x+y)

=(7m-8n-3m+2n)(x+y)
=(5m-6n)(x+y)