(a+3)²-6(a+3)要过程,
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/14 05:05:14
(a+3)²-6(a+3)要过程,
(a+3)²-6(a+3)要过程,
(a+3)²-6(a+3)要过程,
原式=(a+3)[(a+3-6)
=(a+3)(a-3)
(a+3)^2-6(a+3)
=(a+3)[(a+3)-6]
=(a+3)(a-3)
=a^2-9
(a+3)²-6(a+3)要过程,
(a+3)²-6(a+3)要过程,
(a+3)²-6(a+3)要过程,
原式=(a+3)[(a+3-6)
=(a+3)(a-3)
(a+3)^2-6(a+3)
=(a+3)[(a+3)-6]
=(a+3)(a-3)
=a^2-9