(a+b)2=a2+2ab+b2
(5+b)2=+
b+b2
(a+1)2=a2+a+
(1a+b)2=*
2+
*
*b+b2
(a+5b)2=a2+*a*
+
*
2
(6+z)*(6+z)=+
z+z2
(x+4)*(4+x)=x2+x+
(1ax+bz)*(1ax+bz)=*(
)2+
*
*bz+(bz)2
(vt+4up)*(4up+vt)=(vt)2+*vt*
+
*(
)2
(4+z)*(4+z)=+
z+z2
(x+6)*(6+x)=x2+x+
(4x+bz2)*(4x+bz2)=*(
)2+
*
*bz2+(bz2)2
(t+6dp)*(6dp+t)=t2+*t*
+
*(
)2