Ответ:
1)-2(6-m)=-12+2m
4)6a(-3b+4c)=-18ab+24ac
7)(6a-7b)8c=48ac-56bc
10)-4(-8c-9d+2)=32c+36d-8
13)ab³(a³b-a4b5+a7)=a4b4-a5b8+a8b³
15)-6,2ab(5a-10b)=-31a²b+62ab²
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Verified answer
Ответ:
1)-2(6-m)=-12+2m
4)6a(-3b+4c)=-18ab+24ac
7)(6a-7b)8c=48ac-56bc
10)-4(-8c-9d+2)=32c+36d-8
13)ab³(a³b-a4b5+a7)=a4b4-a5b8+a8b³
15)-6,2ab(5a-10b)=-31a²b+62ab²