Hasil dari (a³b–²) (a–²b³)–³ =

(a³b-²)(a-²b³)-³

= (a³b-²)(a^(6) b^(-9))

= a^(3 + 6) b^(-2 + (-9))

= a^(9) b^(-11)

= (a^(9))/(b^(11))