Question

Преобразуйте выражения в многочлен.Срочно!!!  
1.(x-1)^2
2.(3a-b)^2
3.(5z+t)^2
4.(5x-2y)^2
5.(6m-4n)^2
6.(x+c)^2
7.(a-4)^2
8.(0,2a+b)^2

Answer 1

1.(x-1)^2=x2-2x+1
2.(3a-b)^2=9a2-6ab+b2
3.(5z+t)^2=25z2+10zt+t2
4.(5x-2y)^2=25x2-20xy+4y2
5.(6m-4n)^2=36m2-48mn+16n2
6.(x+c)^2=x2+2xc+c2
7.(a-4)^2=a2-8a+16
8.(0,2a+b)^2=0.04a2+0.4ab+b2