Question

(0,2+x)²=
(0,5-a)²=
(½-d)²=
(⅔a+2k)²=
(-5+x)²=
(-n-2)²=
(x-y+4)=​

Answer 1

1. (0,2+х)2=0,04+0,4х+х2
2.(0,5-а)2=1/4-а+а2
3.(1/2-d)2=1/4-d+d2
4.(2/4a+2k)2=4/9a2+8/3ak+4k2
5.(-5+x)2=x2-10x+25
6.(-n-2)2=n2+4n+4