问题
解答题
化简：
|
答案
原式=
-1 2(x-3) 3 (x+3)(x-3)
=
-x+3 2(x-3)(x+3) 6 2(x+3)(x-3)
=x+3-6 2(x-3)(x+3)
=x-3 2(x-3)(x+3)
=
．1 2x+6
搜题请搜索小程序“爱下问搜题”
化简：
|
原式=
-1 2(x-3) 3 (x+3)(x-3)
=
-x+3 2(x-3)(x+3) 6 2(x+3)(x-3)
=x+3-6 2(x-3)(x+3)
=x-3 2(x-3)(x+3)
=
．1 2x+6