# How do you factor # 4x^5 - 9x^3#?

##### 2 Answers

Apr 24, 2017

#### Answer:

#### Explanation:

Always take out a common factor first if there is one.

To recognise Difference of squares:

- 2 terms
- minus sign
- perfect squares
- even indices

Apr 24, 2017

#### Answer:

#### Explanation:

Factor out

Here we realize that both

I this case

So,

Complete the square roots to get your final answer