Ответ:
7³-(3c+1)³=
Объяснение:
=(7-3c-1)(49+21c+7+9c²+6c+1)=(6-3c)(57+27c+9c²)=3(2-c)3(19+9c+3c²)=-9(c-2)(3c²+9c+19)
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Ответ:
7³-(3c+1)³=
Объяснение:
=(7-3c-1)(49+21c+7+9c²+6c+1)=(6-3c)(57+27c+9c²)=3(2-c)3(19+9c+3c²)=-9(c-2)(3c²+9c+19)