Expand: (3x−2)2(3x - 2)^2(3x−2)2.
9x2+49x^2 + 49x2+4
9x2−12x+49x^2 - 12x + 49x2−12x+4
9x2−6x+49x^2 - 6x + 49x2−6x+4
9x2+12x+49x^2 + 12x + 49x2+12x+4