Labwork 7

Exercise 2 a)

Multiply1(a, x)

```
n = a.length
```
```
for i = 0 to n
```
```
    b_i = 0
```
```
    if i < n
```
```
        b_i += -x * a_i
```
```
    if i - 1 >= 0
```
```
        b_i += a_{i - 1}
```
```
return b
```