X 4 81 18x 2 July 8, 2019 16 32 64 128 X 4 18x 2 81 0 X 4 18x 2 81 factor X 4 18x 2 81 find zeros X 4 18x 2 81 graph Factor x 4 18x 2 81 completely Solve x 4 18x 2 81 H x )= x 4 18x 2 81 X 2 18x p 4 81 81+ x 11