Question

Раскройте скобки
1) (t+m)^2 =
2) (t-3)^2 =
3) (2t+1)^2 =
4) (3m-2t)^2 =
5) (p+q)^2 =
6) (p-8)^2 =
7) (7y-1)^2 =
8) (6p+5g)^2 =

Answer 1

Раскройте скобки1) (t+m)^2 =(t²+2tm+m²)
2) (t-3)^2 =(t²-2t·3+(-3)²)=t²-6t+(9)
3) (2t+1)^2 =4t²+4t+1
4) (3m-2t)^2 =9m²-12mt+4t²
5) (p+q)^2 =p²+2pq+q²
6) (p-8)^2 =p²-16p+64²
7) (7y-1)^2 =49y²-14y+1
8) (6p+5g)^2 =36p²+60pg+25g²