Question

How do you express `8/(2x+8) * (x^2-16)/4` in simplest form?

Answer 1

`=x-4`

Explanation:

`8/(2x+8)` x`(x^2-16)/4`
`=8/(2(x+4)`x`((x+4)(x-4))/4`
`=4/(x+4)`x`((x+4)(x-4))/4`
`=x-4`