Question

How do you factor the expression `8a + 24`?

Answer 1

`8(a+3)`

Explanation:

Given:`" "color(blue)(8)a+color(magenta)(24)`

You look for a number than can be divided into both 8 and 24

`color(blue)(8xx1 =8)`
`color(magenta)(8xx3=24)`

`8(color(blue)(1)a+color(magenta)(3))`

But `1xxa = a`

`8(a+3)`