Multiplying Rational Expressions
To multiply rational expressions:

Completely factor all numerators and denominators.

Reduce all common factors.

Either multiply the denominators and numerators or leave the answer in factored form.
Example 1
Simplify .
This last answer could be either left in its factored form or multiplied out. If multiplied out, it becomes
Example 2
Simplify .
Example 3
Simplify .