计算:x2x−5+25/5−x=_.

问题描述:

计算:

x2
x−5
+
25
5−x
=______.

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.