#### Merge and Sort Two Arrays of Integers

You are given two arrays of integers as arguments. Merge the two arrays into a single array sorted in ascending numerical order, with all duplicates removed.

### Requirements

- Must return an array of integers
- Should also work with negative numbers

#### Example #1

```
solve([1,2,3,4],[8,9,2,4)
> [1,2,3,4,8,9]
```

#### Example #2

```
solve([-1,2,3,4],[1,8,9,2,4)
> [-1,1,2,3,4,8,9]
```