Question

Factor the expression 3x + 9

Answer 1

3(x+3)

Explanation:

`3x+9\\\\\mathrm{Rewrite\:}9\mathrm{\:as\:}3*\:3\\=3x+3*\:3\\\\\mathrm{Factor\:out\:common\:term\:}3\\=3\left(x+3\right)`

Answer 2

3(x+3)

Explanation:

3x+9

Rewriting as

3*x +3*3

Factor out a 3

3(x+3)