# How do you solve #30^ { 2} + x ^ { 2} = 36^ { 2}#?

##### 1 Answer

Simplify, then take the square root.

#### Explanation:

First, simplify it.

So now you have

Now, get the x by itself. You can do that by subtracting 900 from both sides.

You would then have to take the square root of each side to make