因式分解 (m+n)(x-y)- (m+n)(x+y)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 21:43:13
因式分解 (m+n)(x-y)- (m+n)(x+y)

因式分解 (m+n)(x-y)- (m+n)(x+y)
因式分解 (m+n)(x-y)- (m+n)(x+y)

因式分解 (m+n)(x-y)- (m+n)(x+y)
(m+n)(x-y)-(m+n)(x+y)
=(m+n)[(x-y)-(x+y)]
=(m+n)(-2y)
=-2y(m+n)
很高兴为您解答,【the 1900】团队为您答题.
请点击下面的【选为满意回答】按钮.

(m+n)(x-y)- (m+n)(x+y)
=(m+n)(x-y-x-y)
=-2y(m+n)

(m+n)(x-y)-(m+n)(x+y)
=(m+n)[(x-y)-(x+y)]
=(m+n)(-2y)
=-2y(m+n) 亲是初二的嘛,