<prompt> Hesabu thamani ya usemi 20094 - 4 mara 20074 6 mara 20054 - 4 mara 20034 20014 , .  <response>: Acha x 2005. Kisha usemi unakuwax44 - 4x24 6x4 - 4x-24 x-44Tunatumia nadharia ya Binomial au pembetatu ya Pascal kupanua usemi na kupataanzailiyopangwa x4 4x3cdot4 6x2424xcdot43 44 -4x4 4x3cdot2 6x2cdot22 4xcdot23 24 6x4 - 4 x4 4x3cdot2 6x2cdot22 4xcdot23 24 x4 4x3cdot4 6x2424xcdot43 44. endalignedMasharti mengi kati ya haya yameghairiwa! Baada ya kurahisisha, tunabaki na44 - 4cdot 24 - 4cdot 24 44 2cdot43 4-1 128 cdot 3 384 