Ответ:
(−17c+17d)⋅(19c+19d)
Объяснение:
(c+18d)^{2}-(18c+d)^2 =(c+18d+18c+d)(c+18d-18c-d)=19(c+d)17(d-c)=19*17(c+d)(d-c)
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Ответ:
(−17c+17d)⋅(19c+19d)
Объяснение:
(c+18d)^{2}-(18c+d)^2 =(c+18d+18c+d)(c+18d-18c-d)=19(c+d)17(d-c)=19*17(c+d)(d-c)