2a[kwadrat](4a-8)-3a(6-a)=...
8a(sześcian)-16a(kwadrat)-18a+3a(kwadrat)
2a(kwadrat )4a-8-18a-3a=
8a(kwadrat)-10a(kwadrat)-18a-3a
-2a(kwadrat)-15a
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8a(sześcian)-16a(kwadrat)-18a+3a(kwadrat)
2a(kwadrat )4a-8-18a-3a=
8a(kwadrat)-10a(kwadrat)-18a-3a
-2a(kwadrat)-15a