X 4 12x 36 July 8, 2019 16 32 64 128 X 4 12x 2 36 X 4 12x 2 36 0 X 4 12x 3 36x 2 X 4 2x 3 12x 2 12x 36 X 4 12x 2 36 factored X 4 12x 3 42x 2 36x 9 Factor x^4 + 12x^2 + 36 completely 9x 4 x 2 12x 36 4x 4 x 2 12x 36 X 4 2x 3 11x 2 12x 36