How do you simplify (w^2-16)/w * 3/(4-w)?
1 Answer
Aug 2, 2015
Explanation:
The first thing to notice here is that the numerator of the first fraction can be factored as the difference of two squares, for which you know that
color(blue)(a^2 - b^2 = (a+b)(a-b))
In your case, you will get
Another important thing to notice is that you can factor the denominator of the second fraction by using
Your expression will thus be