(a+b)(x+y)-(b+a)(y-x)因式分解快

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/14 09:32:42
(a+b)(x+y)-(b+a)(y-x)因式分解快(a+b)(x+y)-(b+a)(y-x)因式分解快(a+b)(x+y)-(b+a)(y-x)因式分解快(a+b)(x+y)-(b+a)(y-x)=

(a+b)(x+y)-(b+a)(y-x)因式分解快
(a+b)(x+y)-(b+a)(y-x)因式分解

(a+b)(x+y)-(b+a)(y-x)因式分解快
(a+b)(x+y)-(b+a)(y-x)
=(a+b)(x+y)+(a+b)(x-y)
=(a+b)[(x+y)+(x-y)]
=(a+b)(x+y+x-y)
=2x(a+b)

(a+b)(x+y-y+x)
=2x(a+b)