(a+b)2=a2+2ab+b2
(8+b)2=+
b+b2
(a+1)2=a2+a+
(1a+b)2=*
2+
*
*b+b2
(a+8b)2=a2+*a*
+
*
2
(11+z)*(11+z)=+
z+z2
(x+3)*(3+x)=x2+x+
(1ax+bz)*(1ax+bz)=*(
)2+
*
*bz+(bz)2
(vt+3up)*(3up+vt)=(vt)2+*vt*
+
*(
)2
(3+z)*(3+z)=+
z+z2
(x+11)*(11+x)=x2+x+
(3x+bz2)*(3x+bz2)=*(
)2+
*
*bz2+(bz2)2
(t+11dp)*(11dp+t)=t2+*t*
+
*(
)2