Question

How do you factor the expression `3x^2- 6x + 9`?

Answer 1

`=3(x^2 -2x +3)" There are two factors"`

Explanation:

`3x^2 - 6x +9" look for a common factor"`

`=3(x^2 -2x +3)`

The quadratic cannot be factored further because there are no factors of 3 which add up to 3.