<prompt> Tafuta salio wakati x4 2 imegawanywa na x - 22.  <response>: Kugawanya x4 2 kwa x - 2, tunapatax4 2 x - 2x3 2x2 4x 8 18.Kugawanya x3 2x2 4x 8 kwa x - 2 , tunapatax3 2x2 4x 8 x - 2x2 4x 12 32.Hivyo,anzaalignx4 2 x - 2x3 2x2 4x 8 18 x - 2x - 2x2 4x 12 32 18 x - 22 x2 4x 12 32x - 2 18 x -22 x2 4x 12 32x - 46,endalignili salio ni 32x - 46. 