### Home > CAAC > Chapter 13 > Lesson 13.OF1-S > Problem7-135

7-135.

Add or subtract each expression below. Be sure to simplify. Homework Help ✎

1. $\frac { x ^ { 2 } } { x - 5 } - \frac { 25 } { x - 5 }$
2. $\frac { a ^ { 2 } } { a + 5 } + \frac { 10 a + 25 } { a + 5 }$
3. $\frac { x ^ { 2 } } { x - y } - \frac { 2 x y - y ^ { 2 } } { x - y }$
4. $\frac { x } { x + 1 } + \frac { 1 } { x - 1 }$