X 4 5x 3 5x 2 5x 6 0 July 8, 2019 16 32 64 128 Solve x 4 5x 3 5x 2 5x 6 0 X 4 5x 3 7x 2 5x 6 0 5 x 5 x 5 x 5 x 5
