# How do you simplify #(16x^3 - 2y^3)/(16x^3 + 8x^2 y + 4xy^2)#?

##### 1 Answer

Mar 2, 2018

#### Explanation:

You can only cancel if you have factors.

Factorise top and bottom first by taking out the common factor.

THe numerator can be factored further as the difference of cubes:

Now cancel the factors which are the same.

Recall: Difference of cubes: