Question

$9 {x}^{2} - 3x - 2$

Answer 1

9x^2 - 3x - 2 = 0

=> 9x^2 - 6x + 3x - 2 = 0

=> 3x( 3x - 2) + 1(3x - 2) = 0

=> (3x-2) (3x+1) = 0

x = 2/3 and (-1/3)

Answer 2

$= 9 {x}^{2} - 6x + 3x - 2 \\ =3x(3x - 2) + 1(3x - 2) \\ =(3x + 1)(3x - 2)$