X 2 48x 0 July 8, 2019 16 32 64 128 X 2 48x 324 0 X 2 48x 100 0 X 2 48x 576 0 X 2 48x 49 0 X 2 48x 720 0 X 3 2x 2 48x 0 X 4 48x 2 49 0 X 3 12x 2 48x 64 0 X 2 48x 324 0 middle term Solve x 2 48x 324 0 X 3 12x 2 48x 72 0 4x 3 x 2 48x 12 0 Calcule x 4x 2 48x 144 0