# How do you factor #5x^3-45x#?

##### 1 Answer

May 9, 2016

#### Explanation:

To factor this expression, we must be able to factor each part of it. Then we look for common things, and pull them out. We can write our expression as a set of factors for each term as:

We can see that each term has a factor of

Finally, we can try to factor the expression further noticing that it is the difference of squares: