3x 2 9x 12 0 July 8, 2019 16 32 64 128 3x 2 9x 12 0 complete the square 3x 4 9x 2 12 0 Factor 3x 2 9x 12 0 3x 3 4x 2 9x 12 0 Solve for x 3x 2 9x 12 0 3 x 3 = 9 3x ^ 2 - 12x + 9 = 0 2x 9
