Labwork 7

Exercise 2 c)

Remainder1(a, x)

```
n = a.length
```
```
for i = n - 2 down to -1
```
```
    b_i = 0
```
```
    if i != n - 2
```
```
        b_i += x * b_{i + 1}
```
```
    b_i += a_{i + 1}
```
```
return a₀ - b₀ * -x
```