How do you simplify this?

3 - 3x²

-----------------

(x - 1)(x - 3)

3 - 3x²

-----------------

(x - 1)(x - 3)

-3x² + 3

------------------ {switched top terms around}

(x - 1)(x - 3)

-3(x² - 1)

------------------ {factored -3 out of top}

(x - 1)(x - 3)

-3(x + 1)(x - 1)

----------------------- {factored top into two binomials, it was a "difference of two squares"}

(x - 1)(x - 3)

**-3(x + 1)**

------------{cancelled x - 1 on top and bottom}

------------

**x - 3**

*- Algebra House*