bentuk sederhana dari:

(a-1 b-4 c)-3 (a2 b-1 c3)2
= (a-1×-3 b-4×-3 c-3) (a2×2 b-1×2 c3×2)
= (a3 b12 c-3) (a4 b-2 c6)
= (a12 b-24 c-18):6
= (a6 b-4 c-3)