factor the polynomial 18 - 24x + 8x^2
18 - 24x + 8x^2 Let's start by taking out the greatest common factor (2) .....so we have....
2(9 - 12x + 4x^2) And the polynomial in the parentheses is a perfect square trinomial, so we have.....
2(3 - 2x) (3 - 2x) = 2(3 - 2x)2
And that's it !!
