Question 192183
This question has been answered many times. Here are two previous solutions:


<a href="http://www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.125800.html">Solution #1</a>


<a href="http://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.185150.html">Solution #2</a>