高级工程师好考吗:(x+y)(x+y-6)+9如何分解
来源:百度文库 编辑:查人人中国名人网 时间:2024/06/01 10:38:59
分解因式
^
^
(x+y)(x+y-6)+9
=(x+y)^2-6(x+y)+9
=(x+y-3)^2
(x+y)(x+y-6)+9
=(x+y)^2-6(x+y)+9
(x+y-3)^2
(x+y)(x+y-6)+9=(x+y)^-6(x+y)+9=(x+y-3)^
(x+y-3)^2
(x+y)(x+y-6)+9
=(x+y)^2-6(x+y)+9
=(x+y-3)^2
(x+y)(x+y-6)+9
=(x+y)^2-6(x+y)+9
(x+y-3)^2
(x+y)(x+y-6)+9=(x+y)^-6(x+y)+9=(x+y-3)^
(x+y-3)^2