# How do you simplify #8 sqrt (19s) - 8 sqrt(10d) - 4 sqrt( 19s) - 8 sqrt (10d)#?

##### 1 Answer

Jul 29, 2016

#### Explanation:

Let's first look at the terms within the square roots themselves:

There is nothing within the roots that can be simplified - no squares under the root that can be extracted (unlike, for example,

So what we're really talking about here is two complicated looking terms:

which gets us:

which gives us:

and now we can put in the original terms: