问题
填空题
计算：
|
答案
+x2 x-5
=25 5-x
-x2 x-5 25 x-5
=x2-25 x-5
=(x+5)(x-5) x-5
=x+5，
故答案为：x+5．
搜题请搜索小程序“爱下问搜题”
计算：
|
+x2 x-5
=25 5-x
-x2 x-5 25 x-5
=x2-25 x-5
=(x+5)(x-5) x-5
=x+5，
故答案为：x+5．