Question

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

Answer 1

(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