PreCalculus Class Notes RF1 Simplifying Rational Expressions
Simplify the following
4− x
x−4
25 − x 2
x 2 + 10 x + 25
2 x + 4 x 2 + 3x + 2
⋅
x +1
4x + 2
5 x5
10 x3
÷
x − 2 5 x − 10
x 3 − 27
2x − 6
⋅
2
3x − 8 x − 3 3x − 9
4+ x
x+4
−4 − x
x−4
4− x
x+4
2x
x
−
x−5 x +5
a2 + 1
a
+
2
a −1 1 − a2
1
2
+
x −1 x
1
2−
x