How do you simplify $\frac{3 n + 12}{n + 4}$ $(3n+12)/(n+4)$ ?

Question

2016 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-07-27T11:38:34

$3$ $3$

Very often in algebraic fractions, you need to factorise to be able to simplify.

$\frac{3 n + 12}{(n + 4)} = \frac{3 (n + 4)}{(n + 4)}$ $(3n +12)/((n+4)) = (3(n +4))/((n+4))$

$((3cancel((n +4)))/cancel(n+4)$

= $3$

How do you simplify (3n+12)/(n+4)3n+12n+4 (3n+12)/(n+4)?