Question

How do you simplify `4(2r+8)`?

Answer 1

`8(r+4)`

Explanation:

Both of the terms in the bracket have coefficients which are factors of 2:
`2r=2xxr` and `8=2xx4`

So we can take that factor of 2 outside the bracket to get:
`4xx2(r+4)=8(r+4)`