Автор - Амангулова16

Раскройте скобки а)(t+m)^2; ,)(t-3)^2; в)(2t+1)^2; г)(3m-2t)^2; д)(3m^2+t)^2;

Ответ

Автор - Викуськаа

(t+m)²=t²+2tm+m²


(t-3)²=t²-6t+9


(2t+1)²=4t²+4t+1


(3m-2t)²=9m²-12mt+4t²


(3m²+t)²=9m²+6m²t+t²

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