<prompt> Pata mgawo wakati x4 3x2 - 7x inagawanywa kwa x2 2x - 1.  <response>: Mgawanyiko mrefu umeonyeshwa hapa chini.anzaarrayccc cccmulticolumn2rx2 -2x 8 cline2-6x2 2x - 1 x4 3x2 -7x safu wima nyingi2rx4 2x3 -x2 cline2-4safu wima nyingi2r -2x3 4x2 -7x safu wima nyingi2r -2x3 -4x2 2x cline3-5safu wima nyingi2r 8x2 -9x safu wima nyingi2r 8x2 16x -8 cline4-6multicolumn2r -25x 8 mwishosafuKwa hivyo, mgawo ni x2 - 2x 8. 